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Finding the Fourth Proportional to 292,418.35, 403,368.88 and 176,050.81

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Solution

The fourth proportional to 292,418.35, 403,368.88 and 176,050.81 is: 242,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,418.35 : 403,368.88 = 176,050.81 : x
  2. Step 2: Convert to fraction form
    292,418.35/403,368.88 = 176,050.81/x
  3. Step 3: Cross multiply
    292,418.35x = 403,368.88 × 176,050.81
  4. Step 4: Simplify right side
    292,418.35x = 71,013,418,052.79
  5. Step 5: Solve for x
    x = 71,013,418,052.79/292,418.35
  6. Step 6: Final answer
    x = 242,848.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.