Home / 668,575.16-1,002,864.90-169,939.16

Finding the Fourth Proportional to 668,575.16, 1,002,864.90 and 169,939.16

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Solution

The fourth proportional to 668,575.16, 1,002,864.90 and 169,939.16 is: 254,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,575.16 : 1,002,864.90 = 169,939.16 : x
  2. Step 2: Convert to fraction form
    668,575.16/1,002,864.90 = 169,939.16/x
  3. Step 3: Cross multiply
    668,575.16x = 1,002,864.90 × 169,939.16
  4. Step 4: Simplify right side
    668,575.16x = 170,426,018,699.48
  5. Step 5: Solve for x
    x = 170,426,018,699.48/668,575.16
  6. Step 6: Final answer
    x = 254,909.29

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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.