Home / 354,764.20-532,211.10-144,423.40

Finding the Fourth Proportional to 354,764.20, 532,211.10 and 144,423.40

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Solution

The fourth proportional to 354,764.20, 532,211.10 and 144,423.40 is: 216,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,764.20 : 532,211.10 = 144,423.40 : x
  2. Step 2: Convert to fraction form
    354,764.20/532,211.10 = 144,423.40/x
  3. Step 3: Cross multiply
    354,764.20x = 532,211.10 × 144,423.40
  4. Step 4: Simplify right side
    354,764.20x = 76,863,736,579.74
  5. Step 5: Solve for x
    x = 76,863,736,579.74/354,764.20
  6. Step 6: Final answer
    x = 216,661.48

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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.