Home / 317,420.64-476,167.10-115,112.07

Finding the Fourth Proportional to 317,420.64, 476,167.10 and 115,112.07

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Solution

The fourth proportional to 317,420.64, 476,167.10 and 115,112.07 is: 172,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,420.64 : 476,167.10 = 115,112.07 : x
  2. Step 2: Convert to fraction form
    317,420.64/476,167.10 = 115,112.07/x
  3. Step 3: Cross multiply
    317,420.64x = 476,167.10 × 115,112.07
  4. Step 4: Simplify right side
    317,420.64x = 54,812,579,971.34
  5. Step 5: Solve for x
    x = 54,812,579,971.34/317,420.64
  6. Step 6: Final answer
    x = 172,681.21

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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.