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Finding the Fourth Proportional to 153,613, 230,510.22 and 64,860.76

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Solution

The fourth proportional to 153,613, 230,510.22 and 64,860.76 is: 97,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,613 : 230,510.22 = 64,860.76 : x
  2. Step 2: Convert to fraction form
    153,613/230,510.22 = 64,860.76/x
  3. Step 3: Cross multiply
    153,613x = 230,510.22 × 64,860.76
  4. Step 4: Simplify right side
    153,613x = 14,951,068,056.97
  5. Step 5: Solve for x
    x = 14,951,068,056.97/153,613
  6. Step 6: Final answer
    x = 97,329.45

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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.