Home / 460,601.85-690,999.98-145,090.65

Finding the Fourth Proportional to 460,601.85, 690,999.98 and 145,090.65

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Solution

The fourth proportional to 460,601.85, 690,999.98 and 145,090.65 is: 217,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,601.85 : 690,999.98 = 145,090.65 : x
  2. Step 2: Convert to fraction form
    460,601.85/690,999.98 = 145,090.65/x
  3. Step 3: Cross multiply
    460,601.85x = 690,999.98 × 145,090.65
  4. Step 4: Simplify right side
    460,601.85x = 100,257,635,522.73
  5. Step 5: Solve for x
    x = 100,257,635,522.73/460,601.85
  6. Step 6: Final answer
    x = 217,666.59

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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.