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Finding the Fourth Proportional to 317,738.34, 476,672.94 and 93,106.08

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Solution

The fourth proportional to 317,738.34, 476,672.94 and 93,106.08 is: 139,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,738.34 : 476,672.94 = 93,106.08 : x
  2. Step 2: Convert to fraction form
    317,738.34/476,672.94 = 93,106.08/x
  3. Step 3: Cross multiply
    317,738.34x = 476,672.94 × 93,106.08
  4. Step 4: Simplify right side
    317,738.34x = 44,381,148,885.48
  5. Step 5: Solve for x
    x = 44,381,148,885.48/317,738.34
  6. Step 6: Final answer
    x = 139,678.29

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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.