Home / 304,385.23-420,220.67-183,557.13

Finding the Fourth Proportional to 304,385.23, 420,220.67 and 183,557.13

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Solution

The fourth proportional to 304,385.23, 420,220.67 and 183,557.13 is: 253,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,385.23 : 420,220.67 = 183,557.13 : x
  2. Step 2: Convert to fraction form
    304,385.23/420,220.67 = 183,557.13/x
  3. Step 3: Cross multiply
    304,385.23x = 420,220.67 × 183,557.13
  4. Step 4: Simplify right side
    304,385.23x = 77,134,500,151.88
  5. Step 5: Solve for x
    x = 77,134,500,151.88/304,385.23
  6. Step 6: Final answer
    x = 253,410.79

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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.