Home / 302,808.17-454,282.56-103,130.29

Finding the Fourth Proportional to 302,808.17, 454,282.56 and 103,130.29

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Solution

The fourth proportional to 302,808.17, 454,282.56 and 103,130.29 is: 154,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,808.17 : 454,282.56 = 103,130.29 : x
  2. Step 2: Convert to fraction form
    302,808.17/454,282.56 = 103,130.29/x
  3. Step 3: Cross multiply
    302,808.17x = 454,282.56 × 103,130.29
  4. Step 4: Simplify right side
    302,808.17x = 46,850,292,154.74
  5. Step 5: Solve for x
    x = 46,850,292,154.74/302,808.17
  6. Step 6: Final answer
    x = 154,719.38

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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.