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Finding the Fourth Proportional to 610,678.82, 916,026.02 and 161,395.80

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Solution

The fourth proportional to 610,678.82, 916,026.02 and 161,395.80 is: 242,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,678.82 : 916,026.02 = 161,395.80 : x
  2. Step 2: Convert to fraction form
    610,678.82/916,026.02 = 161,395.80/x
  3. Step 3: Cross multiply
    610,678.82x = 916,026.02 × 161,395.80
  4. Step 4: Simplify right side
    610,678.82x = 147,842,755,552.07
  5. Step 5: Solve for x
    x = 147,842,755,552.07/610,678.82
  6. Step 6: Final answer
    x = 242,095.76

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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.