Home / 314,870.23-472,307.47-115,108.43

Finding the Fourth Proportional to 314,870.23, 472,307.47 and 115,108.43

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Solution

The fourth proportional to 314,870.23, 472,307.47 and 115,108.43 is: 172,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,870.23 : 472,307.47 = 115,108.43 : x
  2. Step 2: Convert to fraction form
    314,870.23/472,307.47 = 115,108.43/x
  3. Step 3: Cross multiply
    314,870.23x = 472,307.47 × 115,108.43
  4. Step 4: Simplify right side
    314,870.23x = 54,366,572,241.97
  5. Step 5: Solve for x
    x = 54,366,572,241.97/314,870.23
  6. Step 6: Final answer
    x = 172,663.43

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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.