Home / 402,134.68-554,923.84-220,870.36

Finding the Fourth Proportional to 402,134.68, 554,923.84 and 220,870.36

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Solution

The fourth proportional to 402,134.68, 554,923.84 and 220,870.36 is: 304,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,134.68 : 554,923.84 = 220,870.36 : x
  2. Step 2: Convert to fraction form
    402,134.68/554,923.84 = 220,870.36/x
  3. Step 3: Cross multiply
    402,134.68x = 554,923.84 × 220,870.36
  4. Step 4: Simplify right side
    402,134.68x = 122,566,228,313.38
  5. Step 5: Solve for x
    x = 122,566,228,313.38/402,134.68
  6. Step 6: Final answer
    x = 304,789.00

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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.