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Finding the Fourth Proportional to 317,547.48, 476,182.68 and 92,903.10

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Solution

The fourth proportional to 317,547.48, 476,182.68 and 92,903.10 is: 139,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,547.48 : 476,182.68 = 92,903.10 : x
  2. Step 2: Convert to fraction form
    317,547.48/476,182.68 = 92,903.10/x
  3. Step 3: Cross multiply
    317,547.48x = 476,182.68 × 92,903.10
  4. Step 4: Simplify right side
    317,547.48x = 44,238,847,138.31
  5. Step 5: Solve for x
    x = 44,238,847,138.31/317,547.48
  6. Step 6: Final answer
    x = 139,314.12

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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.