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Finding the Fourth Proportional to 345,018, 517,527 and 95,700

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Solution

The fourth proportional to 345,018, 517,527 and 95,700 is: 143,550

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,018 : 517,527 = 95,700 : x
  2. Step 2: Convert to fraction form
    345,018/517,527 = 95,700/x
  3. Step 3: Cross multiply
    345,018x = 517,527 × 95,700
  4. Step 4: Simplify right side
    345,018x = 49,527,333,900
  5. Step 5: Solve for x
    x = 49,527,333,900/345,018
  6. Step 6: Final answer
    x = 143,550

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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.