Home / 356,140.90-534,011.66-243,947.80

Finding the Fourth Proportional to 356,140.90, 534,011.66 and 243,947.80

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Solution

The fourth proportional to 356,140.90, 534,011.66 and 243,947.80 is: 365,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,140.90 : 534,011.66 = 243,947.80 : x
  2. Step 2: Convert to fraction form
    356,140.90/534,011.66 = 243,947.80/x
  3. Step 3: Cross multiply
    356,140.90x = 534,011.66 × 243,947.80
  4. Step 4: Simplify right side
    356,140.90x = 130,270,969,631.35
  5. Step 5: Solve for x
    x = 130,270,969,631.35/356,140.90
  6. Step 6: Final answer
    x = 365,784.92

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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.