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Finding the Fourth Proportional to 253,702.88, 350,121.51 and 140,525.63

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Solution

The fourth proportional to 253,702.88, 350,121.51 and 140,525.63 is: 193,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,702.88 : 350,121.51 = 140,525.63 : x
  2. Step 2: Convert to fraction form
    253,702.88/350,121.51 = 140,525.63/x
  3. Step 3: Cross multiply
    253,702.88x = 350,121.51 × 140,525.63
  4. Step 4: Simplify right side
    253,702.88x = 49,201,044,018.69
  5. Step 5: Solve for x
    x = 49,201,044,018.69/253,702.88
  6. Step 6: Final answer
    x = 193,931.76

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1.5x scale

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.