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Finding the Fourth Proportional to 440,364.39, 607,699.42 and 239,160.39

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Solution

The fourth proportional to 440,364.39, 607,699.42 and 239,160.39 is: 330,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,364.39 : 607,699.42 = 239,160.39 : x
  2. Step 2: Convert to fraction form
    440,364.39/607,699.42 = 239,160.39/x
  3. Step 3: Cross multiply
    440,364.39x = 607,699.42 × 239,160.39
  4. Step 4: Simplify right side
    440,364.39x = 145,337,630,289.97
  5. Step 5: Solve for x
    x = 145,337,630,289.97/440,364.39
  6. Step 6: Final answer
    x = 330,039.47

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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.