Home / 207,822.70-311,510.49-89,549.74

Finding the Fourth Proportional to 207,822.70, 311,510.49 and 89,549.74

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Solution

The fourth proportional to 207,822.70, 311,510.49 and 89,549.74 is: 134,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,822.70 : 311,510.49 = 89,549.74 : x
  2. Step 2: Convert to fraction form
    207,822.70/311,510.49 = 89,549.74/x
  3. Step 3: Cross multiply
    207,822.70x = 311,510.49 × 89,549.74
  4. Step 4: Simplify right side
    207,822.70x = 27,895,683,386.77
  5. Step 5: Solve for x
    x = 27,895,683,386.77/207,822.70
  6. Step 6: Final answer
    x = 134,228.28

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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.