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Finding the Fourth Proportional to 224,660.16, 310,029.12 and 124,056

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Solution

The fourth proportional to 224,660.16, 310,029.12 and 124,056 is: 171,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,660.16 : 310,029.12 = 124,056 : x
  2. Step 2: Convert to fraction form
    224,660.16/310,029.12 = 124,056/x
  3. Step 3: Cross multiply
    224,660.16x = 310,029.12 × 124,056
  4. Step 4: Simplify right side
    224,660.16x = 38,460,972,510.72
  5. Step 5: Solve for x
    x = 38,460,972,510.72/224,660.16
  6. Step 6: Final answer
    x = 171,196.23

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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.