Home / 304,638.68-420,269.02-183,712.76

Finding the Fourth Proportional to 304,638.68, 420,269.02 and 183,712.76

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Solution

The fourth proportional to 304,638.68, 420,269.02 and 183,712.76 is: 253,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,638.68 : 420,269.02 = 183,712.76 : x
  2. Step 2: Convert to fraction form
    304,638.68/420,269.02 = 183,712.76/x
  3. Step 3: Cross multiply
    304,638.68x = 420,269.02 × 183,712.76
  4. Step 4: Simplify right side
    304,638.68x = 77,208,781,606.70
  5. Step 5: Solve for x
    x = 77,208,781,606.70/304,638.68
  6. Step 6: Final answer
    x = 253,443.79

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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.