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Finding the Fourth Proportional to 350,045.88, 525,240.26 and 125,423.63

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Solution

The fourth proportional to 350,045.88, 525,240.26 and 125,423.63 is: 188,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,045.88 : 525,240.26 = 125,423.63 : x
  2. Step 2: Convert to fraction form
    350,045.88/525,240.26 = 125,423.63/x
  3. Step 3: Cross multiply
    350,045.88x = 525,240.26 × 125,423.63
  4. Step 4: Simplify right side
    350,045.88x = 65,877,540,031.34
  5. Step 5: Solve for x
    x = 65,877,540,031.34/350,045.88
  6. Step 6: Final answer
    x = 188,196.87

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1.5x scale

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.