Home / 288,835.16-433,212.66-89,162.12

Finding the Fourth Proportional to 288,835.16, 433,212.66 and 89,162.12

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Solution

The fourth proportional to 288,835.16, 433,212.66 and 89,162.12 is: 133,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,835.16 : 433,212.66 = 89,162.12 : x
  2. Step 2: Convert to fraction form
    288,835.16/433,212.66 = 89,162.12/x
  3. Step 3: Cross multiply
    288,835.16x = 433,212.66 × 89,162.12
  4. Step 4: Simplify right side
    288,835.16x = 38,626,159,176.44
  5. Step 5: Solve for x
    x = 38,626,159,176.44/288,835.16
  6. Step 6: Final answer
    x = 133,730.81

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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.