Home / 369,009.60-553,514.40-132,376.20

Finding the Fourth Proportional to 369,009.60, 553,514.40 and 132,376.20

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Solution

The fourth proportional to 369,009.60, 553,514.40 and 132,376.20 is: 198,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,009.60 : 553,514.40 = 132,376.20 : x
  2. Step 2: Convert to fraction form
    369,009.60/553,514.40 = 132,376.20/x
  3. Step 3: Cross multiply
    369,009.60x = 553,514.40 × 132,376.20
  4. Step 4: Simplify right side
    369,009.60x = 73,272,132,917.28
  5. Step 5: Solve for x
    x = 73,272,132,917.28/369,009.60
  6. Step 6: Final answer
    x = 198,564.30

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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.