Home / 288,727.74-433,166.34-89,043.72

Finding the Fourth Proportional to 288,727.74, 433,166.34 and 89,043.72

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Solution

The fourth proportional to 288,727.74, 433,166.34 and 89,043.72 is: 133,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,727.74 : 433,166.34 = 89,043.72 : x
  2. Step 2: Convert to fraction form
    288,727.74/433,166.34 = 89,043.72/x
  3. Step 3: Cross multiply
    288,727.74x = 433,166.34 × 89,043.72
  4. Step 4: Simplify right side
    288,727.74x = 38,570,742,292.38
  5. Step 5: Solve for x
    x = 38,570,742,292.38/288,727.74
  6. Step 6: Final answer
    x = 133,588.63

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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.