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Finding the Fourth Proportional to 288,670.41, 432,894.92 and 99,095.45

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Solution

The fourth proportional to 288,670.41, 432,894.92 and 99,095.45 is: 148,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,670.41 : 432,894.92 = 99,095.45 : x
  2. Step 2: Convert to fraction form
    288,670.41/432,894.92 = 99,095.45/x
  3. Step 3: Cross multiply
    288,670.41x = 432,894.92 × 99,095.45
  4. Step 4: Simplify right side
    288,670.41x = 42,897,914,240.16
  5. Step 5: Solve for x
    x = 42,897,914,240.16/288,670.41
  6. Step 6: Final answer
    x = 148,605.17

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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.