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Finding the Fourth Proportional to 440,011.48, 607,212.28 and 238,807.48

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Solution

The fourth proportional to 440,011.48, 607,212.28 and 238,807.48 is: 329,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,011.48 : 607,212.28 = 238,807.48 : x
  2. Step 2: Convert to fraction form
    440,011.48/607,212.28 = 238,807.48/x
  3. Step 3: Cross multiply
    440,011.48x = 607,212.28 × 238,807.48
  4. Step 4: Simplify right side
    440,011.48x = 145,006,834,411.85
  5. Step 5: Solve for x
    x = 145,006,834,411.85/440,011.48
  6. Step 6: Final answer
    x = 329,552.39

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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.