Home / 302,817.61-454,296.69-103,139.73

Finding the Fourth Proportional to 302,817.61, 454,296.69 and 103,139.73

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Solution

The fourth proportional to 302,817.61, 454,296.69 and 103,139.73 is: 154,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,817.61 : 454,296.69 = 103,139.73 : x
  2. Step 2: Convert to fraction form
    302,817.61/454,296.69 = 103,139.73/x
  3. Step 3: Cross multiply
    302,817.61x = 454,296.69 × 103,139.73
  4. Step 4: Simplify right side
    302,817.61x = 46,856,037,946.49
  5. Step 5: Solve for x
    x = 46,856,037,946.49/302,817.61
  6. Step 6: Final answer
    x = 154,733.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.