Home / 288,828.48-433,214-89,094.72

Finding the Fourth Proportional to 288,828.48, 433,214 and 89,094.72

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Solution

The fourth proportional to 288,828.48, 433,214 and 89,094.72 is: 133,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,828.48 : 433,214 = 89,094.72 : x
  2. Step 2: Convert to fraction form
    288,828.48/433,214 = 89,094.72/x
  3. Step 3: Cross multiply
    288,828.48x = 433,214 × 89,094.72
  4. Step 4: Simplify right side
    288,828.48x = 38,597,080,030.08
  5. Step 5: Solve for x
    x = 38,597,080,030.08/288,828.48
  6. Step 6: Final answer
    x = 133,633.22

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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.