Home / 289,224.56-433,678.08-89,489.36

Finding the Fourth Proportional to 289,224.56, 433,678.08 and 89,489.36

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Solution

The fourth proportional to 289,224.56, 433,678.08 and 89,489.36 is: 134,184.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,224.56 : 433,678.08 = 89,489.36 : x
  2. Step 2: Convert to fraction form
    289,224.56/433,678.08 = 89,489.36/x
  3. Step 3: Cross multiply
    289,224.56x = 433,678.08 × 89,489.36
  4. Step 4: Simplify right side
    289,224.56x = 38,809,573,825.23
  5. Step 5: Solve for x
    x = 38,809,573,825.23/289,224.56
  6. Step 6: Final answer
    x = 134,184.92

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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.