Home / 421,945.76-582,284.72-230,957.44

Finding the Fourth Proportional to 421,945.76, 582,284.72 and 230,957.44

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Solution

The fourth proportional to 421,945.76, 582,284.72 and 230,957.44 is: 318,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,945.76 : 582,284.72 = 230,957.44 : x
  2. Step 2: Convert to fraction form
    421,945.76/582,284.72 = 230,957.44/x
  3. Step 3: Cross multiply
    421,945.76x = 582,284.72 × 230,957.44
  4. Step 4: Simplify right side
    421,945.76x = 134,482,988,282.32
  5. Step 5: Solve for x
    x = 134,482,988,282.32/421,945.76
  6. Step 6: Final answer
    x = 318,721.03

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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.