Home / 382,325.12-527,636.40-229,370

Finding the Fourth Proportional to 382,325.12, 527,636.40 and 229,370

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Solution

The fourth proportional to 382,325.12, 527,636.40 and 229,370 is: 316,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,325.12 : 527,636.40 = 229,370 : x
  2. Step 2: Convert to fraction form
    382,325.12/527,636.40 = 229,370/x
  3. Step 3: Cross multiply
    382,325.12x = 527,636.40 × 229,370
  4. Step 4: Simplify right side
    382,325.12x = 121,023,961,068
  5. Step 5: Solve for x
    x = 121,023,961,068/382,325.12
  6. Step 6: Final answer
    x = 316,547.24

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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.