Home / 402,723.60-604,546.20-236,605.20

Finding the Fourth Proportional to 402,723.60, 604,546.20 and 236,605.20

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Solution

The fourth proportional to 402,723.60, 604,546.20 and 236,605.20 is: 355,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,723.60 : 604,546.20 = 236,605.20 : x
  2. Step 2: Convert to fraction form
    402,723.60/604,546.20 = 236,605.20/x
  3. Step 3: Cross multiply
    402,723.60x = 604,546.20 × 236,605.20
  4. Step 4: Simplify right side
    402,723.60x = 143,038,774,560.24
  5. Step 5: Solve for x
    x = 143,038,774,560.24/402,723.60
  6. Step 6: Final answer
    x = 355,178.53

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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.