Home / 205,166.68-306,940.26-155,390.20

Finding the Fourth Proportional to 205,166.68, 306,940.26 and 155,390.20

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Solution

The fourth proportional to 205,166.68, 306,940.26 and 155,390.20 is: 232,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,166.68 : 306,940.26 = 155,390.20 : x
  2. Step 2: Convert to fraction form
    205,166.68/306,940.26 = 155,390.20/x
  3. Step 3: Cross multiply
    205,166.68x = 306,940.26 × 155,390.20
  4. Step 4: Simplify right side
    205,166.68x = 47,695,508,389.45
  5. Step 5: Solve for x
    x = 47,695,508,389.45/205,166.68
  6. Step 6: Final answer
    x = 232,472.00

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1.5x scale

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.