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Finding the Fourth Proportional to 653,690.89, 980,586.02 and 254,160.01

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Solution

The fourth proportional to 653,690.89, 980,586.02 and 254,160.01 is: 381,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,690.89 : 980,586.02 = 254,160.01 : x
  2. Step 2: Convert to fraction form
    653,690.89/980,586.02 = 254,160.01/x
  3. Step 3: Cross multiply
    653,690.89x = 980,586.02 × 254,160.01
  4. Step 4: Simplify right side
    653,690.89x = 249,225,751,378.26
  5. Step 5: Solve for x
    x = 249,225,751,378.26/653,690.89
  6. Step 6: Final answer
    x = 381,259.33

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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.