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Finding the Fourth Proportional to 592,886.61, 889,354.51 and 172,162.49

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Solution

The fourth proportional to 592,886.61, 889,354.51 and 172,162.49 is: 258,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,886.61 : 889,354.51 = 172,162.49 : x
  2. Step 2: Convert to fraction form
    592,886.61/889,354.51 = 172,162.49/x
  3. Step 3: Cross multiply
    592,886.61x = 889,354.51 × 172,162.49
  4. Step 4: Simplify right side
    592,886.61x = 153,113,482,057.15
  5. Step 5: Solve for x
    x = 153,113,482,057.15/592,886.61
  6. Step 6: Final answer
    x = 258,250.87

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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.