Home / 304,385.24-420,220.56-183,557.13

Finding the Fourth Proportional to 304,385.24, 420,220.56 and 183,557.13

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Solution

The fourth proportional to 304,385.24, 420,220.56 and 183,557.13 is: 253,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,385.24 : 420,220.56 = 183,557.13 : x
  2. Step 2: Convert to fraction form
    304,385.24/420,220.56 = 183,557.13/x
  3. Step 3: Cross multiply
    304,385.24x = 420,220.56 × 183,557.13
  4. Step 4: Simplify right side
    304,385.24x = 77,134,479,042.81
  5. Step 5: Solve for x
    x = 77,134,479,042.81/304,385.24
  6. Step 6: Final answer
    x = 253,410.71

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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.