Home / 355,210.20-532,880.10-144,869.40

Finding the Fourth Proportional to 355,210.20, 532,880.10 and 144,869.40

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Solution

The fourth proportional to 355,210.20, 532,880.10 and 144,869.40 is: 217,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,210.20 : 532,880.10 = 144,869.40 : x
  2. Step 2: Convert to fraction form
    355,210.20/532,880.10 = 144,869.40/x
  3. Step 3: Cross multiply
    355,210.20x = 532,880.10 × 144,869.40
  4. Step 4: Simplify right side
    355,210.20x = 77,198,020,358.94
  5. Step 5: Solve for x
    x = 77,198,020,358.94/355,210.20
  6. Step 6: Final answer
    x = 217,330.53

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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.