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Finding the Fourth Proportional to 440,351.64, 607,669.02 and 239,143.32

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Solution

The fourth proportional to 440,351.64, 607,669.02 and 239,143.32 is: 330,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,351.64 : 607,669.02 = 239,143.32 : x
  2. Step 2: Convert to fraction form
    440,351.64/607,669.02 = 239,143.32/x
  3. Step 3: Cross multiply
    440,351.64x = 607,669.02 × 239,143.32
  4. Step 4: Simplify right side
    440,351.64x = 145,319,986,903.95
  5. Step 5: Solve for x
    x = 145,319,986,903.95/440,351.64
  6. Step 6: Final answer
    x = 330,008.96

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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.