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Finding the Fourth Proportional to 439,952.49, 607,134.83 and 238,748.49

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Solution

The fourth proportional to 439,952.49, 607,134.83 and 238,748.49 is: 329,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,952.49 : 607,134.83 = 238,748.49 : x
  2. Step 2: Convert to fraction form
    439,952.49/607,134.83 = 238,748.49/x
  3. Step 3: Cross multiply
    439,952.49x = 607,134.83 × 238,748.49
  4. Step 4: Simplify right side
    439,952.49x = 144,952,522,695.16
  5. Step 5: Solve for x
    x = 144,952,522,695.16/439,952.49
  6. Step 6: Final answer
    x = 329,473.13

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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.