Home / 288,015.03-432,095.45-88,345.58

Finding the Fourth Proportional to 288,015.03, 432,095.45 and 88,345.58

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Solution

The fourth proportional to 288,015.03, 432,095.45 and 88,345.58 is: 132,540.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,015.03 : 432,095.45 = 88,345.58 : x
  2. Step 2: Convert to fraction form
    288,015.03/432,095.45 = 88,345.58/x
  3. Step 3: Cross multiply
    288,015.03x = 432,095.45 × 88,345.58
  4. Step 4: Simplify right side
    288,015.03x = 38,173,720,543.41
  5. Step 5: Solve for x
    x = 38,173,720,543.41/288,015.03
  6. Step 6: Final answer
    x = 132,540.72

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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.