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Finding the Fourth Proportional to 288,035.87, 432,053.85 and 77,673.83

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Solution

The fourth proportional to 288,035.87, 432,053.85 and 77,673.83 is: 116,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,035.87 : 432,053.85 = 77,673.83 : x
  2. Step 2: Convert to fraction form
    288,035.87/432,053.85 = 77,673.83/x
  3. Step 3: Cross multiply
    288,035.87x = 432,053.85 × 77,673.83
  4. Step 4: Simplify right side
    288,035.87x = 33,559,277,295.75
  5. Step 5: Solve for x
    x = 33,559,277,295.75/288,035.87
  6. Step 6: Final answer
    x = 116,510.76

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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.