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Finding the Fourth Proportional to 440,010.48, 607,210.92 and 238,806.48

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Solution

The fourth proportional to 440,010.48, 607,210.92 and 238,806.48 is: 329,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,010.48 : 607,210.92 = 238,806.48 : x
  2. Step 2: Convert to fraction form
    440,010.48/607,210.92 = 238,806.48/x
  3. Step 3: Cross multiply
    440,010.48x = 607,210.92 × 238,806.48
  4. Step 4: Simplify right side
    440,010.48x = 145,005,902,422.76
  5. Step 5: Solve for x
    x = 145,005,902,422.76/440,010.48
  6. Step 6: Final answer
    x = 329,551.02

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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.