Home / 402,441.24-603,659.70-102,921.34

Finding the Fourth Proportional to 402,441.24, 603,659.70 and 102,921.34

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Solution

The fourth proportional to 402,441.24, 603,659.70 and 102,921.34 is: 154,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,441.24 : 603,659.70 = 102,921.34 : x
  2. Step 2: Convert to fraction form
    402,441.24/603,659.70 = 102,921.34/x
  3. Step 3: Cross multiply
    402,441.24x = 603,659.70 × 102,921.34
  4. Step 4: Simplify right side
    402,441.24x = 62,129,465,228.00
  5. Step 5: Solve for x
    x = 62,129,465,228.00/402,441.24
  6. Step 6: Final answer
    x = 154,381.46

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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.