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Finding the Fourth Proportional to 460,287.60, 690,499.44 and 235,775.04

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Solution

The fourth proportional to 460,287.60, 690,499.44 and 235,775.04 is: 353,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,287.60 : 690,499.44 = 235,775.04 : x
  2. Step 2: Convert to fraction form
    460,287.60/690,499.44 = 235,775.04/x
  3. Step 3: Cross multiply
    460,287.60x = 690,499.44 × 235,775.04
  4. Step 4: Simplify right side
    460,287.60x = 162,802,533,085.98
  5. Step 5: Solve for x
    x = 162,802,533,085.98/460,287.60
  6. Step 6: Final answer
    x = 353,697.41

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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.