Home / 302,807.17-454,281.06-103,129.29

Finding the Fourth Proportional to 302,807.17, 454,281.06 and 103,129.29

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Solution

The fourth proportional to 302,807.17, 454,281.06 and 103,129.29 is: 154,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,807.17 : 454,281.06 = 103,129.29 : x
  2. Step 2: Convert to fraction form
    302,807.17/454,281.06 = 103,129.29/x
  3. Step 3: Cross multiply
    302,807.17x = 454,281.06 × 103,129.29
  4. Step 4: Simplify right side
    302,807.17x = 46,849,680,906.84
  5. Step 5: Solve for x
    x = 46,849,680,906.84/302,807.17
  6. Step 6: Final answer
    x = 154,717.87

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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.