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Finding the Fourth Proportional to 387,484.48, 581,225.82 and 107,000.92

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Solution

The fourth proportional to 387,484.48, 581,225.82 and 107,000.92 is: 160,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,484.48 : 581,225.82 = 107,000.92 : x
  2. Step 2: Convert to fraction form
    387,484.48/581,225.82 = 107,000.92/x
  3. Step 3: Cross multiply
    387,484.48x = 581,225.82 × 107,000.92
  4. Step 4: Simplify right side
    387,484.48x = 62,191,697,467.75
  5. Step 5: Solve for x
    x = 62,191,697,467.75/387,484.48
  6. Step 6: Final answer
    x = 160,501.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.