Home / 421,948.24-582,289.20-230,973.72

Finding the Fourth Proportional to 421,948.24, 582,289.20 and 230,973.72

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Solution

The fourth proportional to 421,948.24, 582,289.20 and 230,973.72 is: 318,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,948.24 : 582,289.20 = 230,973.72 : x
  2. Step 2: Convert to fraction form
    421,948.24/582,289.20 = 230,973.72/x
  3. Step 3: Cross multiply
    421,948.24x = 582,289.20 × 230,973.72
  4. Step 4: Simplify right side
    421,948.24x = 134,493,502,639.82
  5. Step 5: Solve for x
    x = 134,493,502,639.82/421,948.24
  6. Step 6: Final answer
    x = 318,744.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.