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Finding the Fourth Proportional to 288,035.62, 432,053.48 and 77,673.58

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Solution

The fourth proportional to 288,035.62, 432,053.48 and 77,673.58 is: 116,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,035.62 : 432,053.48 = 77,673.58 : x
  2. Step 2: Convert to fraction form
    288,035.62/432,053.48 = 77,673.58/x
  3. Step 3: Cross multiply
    288,035.62x = 432,053.48 × 77,673.58
  4. Step 4: Simplify right side
    288,035.62x = 33,559,140,154.69
  5. Step 5: Solve for x
    x = 33,559,140,154.69/288,035.62
  6. Step 6: Final answer
    x = 116,510.38

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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.