Home / 421,923.06-582,254.53-230,948.55

Finding the Fourth Proportional to 421,923.06, 582,254.53 and 230,948.55

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Solution

The fourth proportional to 421,923.06, 582,254.53 and 230,948.55 is: 318,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,923.06 : 582,254.53 = 230,948.55 : x
  2. Step 2: Convert to fraction form
    421,923.06/582,254.53 = 230,948.55/x
  3. Step 3: Cross multiply
    421,923.06x = 582,254.53 × 230,948.55
  4. Step 4: Simplify right side
    421,923.06x = 134,470,838,857.06
  5. Step 5: Solve for x
    x = 134,470,838,857.06/421,923.06
  6. Step 6: Final answer
    x = 318,709.38

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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.