Home / 302,946.10-454,419.15-103,491.70

Finding the Fourth Proportional to 302,946.10, 454,419.15 and 103,491.70

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Solution

The fourth proportional to 302,946.10, 454,419.15 and 103,491.70 is: 155,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,946.10 : 454,419.15 = 103,491.70 : x
  2. Step 2: Convert to fraction form
    302,946.10/454,419.15 = 103,491.70/x
  3. Step 3: Cross multiply
    302,946.10x = 454,419.15 × 103,491.70
  4. Step 4: Simplify right side
    302,946.10x = 47,028,610,346.06
  5. Step 5: Solve for x
    x = 47,028,610,346.06/302,946.10
  6. Step 6: Final answer
    x = 155,237.55

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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.