Home / 356,265.06-534,348.15-90,009.18

Finding the Fourth Proportional to 356,265.06, 534,348.15 and 90,009.18

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Solution

The fourth proportional to 356,265.06, 534,348.15 and 90,009.18 is: 135,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,265.06 : 534,348.15 = 90,009.18 : x
  2. Step 2: Convert to fraction form
    356,265.06/534,348.15 = 90,009.18/x
  3. Step 3: Cross multiply
    356,265.06x = 534,348.15 × 90,009.18
  4. Step 4: Simplify right side
    356,265.06x = 48,096,238,816.02
  5. Step 5: Solve for x
    x = 48,096,238,816.02/356,265.06
  6. Step 6: Final answer
    x = 135,001.28

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1.5x scale

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.