Home / 281,719.43-388,774.28-152,657.95

Finding the Fourth Proportional to 281,719.43, 388,774.28 and 152,657.95

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Solution

The fourth proportional to 281,719.43, 388,774.28 and 152,657.95 is: 210,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,719.43 : 388,774.28 = 152,657.95 : x
  2. Step 2: Convert to fraction form
    281,719.43/388,774.28 = 152,657.95/x
  3. Step 3: Cross multiply
    281,719.43x = 388,774.28 × 152,657.95
  4. Step 4: Simplify right side
    281,719.43x = 59,349,484,007.24
  5. Step 5: Solve for x
    x = 59,349,484,007.24/281,719.43
  6. Step 6: Final answer
    x = 210,668.77

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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.