Home / 402,127.60-554,934.08-218,364.54

Finding the Fourth Proportional to 402,127.60, 554,934.08 and 218,364.54

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Solution

The fourth proportional to 402,127.60, 554,934.08 and 218,364.54 is: 301,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,127.60 : 554,934.08 = 218,364.54 : x
  2. Step 2: Convert to fraction form
    402,127.60/554,934.08 = 218,364.54/x
  3. Step 3: Cross multiply
    402,127.60x = 554,934.08 × 218,364.54
  4. Step 4: Simplify right side
    402,127.60x = 121,177,925,109.52
  5. Step 5: Solve for x
    x = 121,177,925,109.52/402,127.60
  6. Step 6: Final answer
    x = 301,341.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.