Home / 345,298.48-517,771.08-158,149.60

Finding the Fourth Proportional to 345,298.48, 517,771.08 and 158,149.60

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Solution

The fourth proportional to 345,298.48, 517,771.08 and 158,149.60 is: 237,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,298.48 : 517,771.08 = 158,149.60 : x
  2. Step 2: Convert to fraction form
    345,298.48/517,771.08 = 158,149.60/x
  3. Step 3: Cross multiply
    345,298.48x = 517,771.08 × 158,149.60
  4. Step 4: Simplify right side
    345,298.48x = 81,885,289,193.57
  5. Step 5: Solve for x
    x = 81,885,289,193.57/345,298.48
  6. Step 6: Final answer
    x = 237,143.50

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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.