Home / 238,337.04-328,909.20-130,911.60

Finding the Fourth Proportional to 238,337.04, 328,909.20 and 130,911.60

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Solution

The fourth proportional to 238,337.04, 328,909.20 and 130,911.60 is: 180,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,337.04 : 328,909.20 = 130,911.60 : x
  2. Step 2: Convert to fraction form
    238,337.04/328,909.20 = 130,911.60/x
  3. Step 3: Cross multiply
    238,337.04x = 328,909.20 × 130,911.60
  4. Step 4: Simplify right side
    238,337.04x = 43,058,029,626.72
  5. Step 5: Solve for x
    x = 43,058,029,626.72/238,337.04
  6. Step 6: Final answer
    x = 180,660.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.