Home / 287,761.20-432,030.60-182,785.20

Finding the Fourth Proportional to 287,761.20, 432,030.60 and 182,785.20

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Solution

The fourth proportional to 287,761.20, 432,030.60 and 182,785.20 is: 274,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,761.20 : 432,030.60 = 182,785.20 : x
  2. Step 2: Convert to fraction form
    287,761.20/432,030.60 = 182,785.20/x
  3. Step 3: Cross multiply
    287,761.20x = 432,030.60 × 182,785.20
  4. Step 4: Simplify right side
    287,761.20x = 78,968,799,627.12
  5. Step 5: Solve for x
    x = 78,968,799,627.12/287,761.20
  6. Step 6: Final answer
    x = 274,424.76

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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.