Home / 644,266.98-966,399.26-170,915.13

Finding the Fourth Proportional to 644,266.98, 966,399.26 and 170,915.13

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Solution

The fourth proportional to 644,266.98, 966,399.26 and 170,915.13 is: 256,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,266.98 : 966,399.26 = 170,915.13 : x
  2. Step 2: Convert to fraction form
    644,266.98/966,399.26 = 170,915.13/x
  3. Step 3: Cross multiply
    644,266.98x = 966,399.26 × 170,915.13
  4. Step 4: Simplify right side
    644,266.98x = 165,172,254,300.23
  5. Step 5: Solve for x
    x = 165,172,254,300.23/644,266.98
  6. Step 6: Final answer
    x = 256,372.37

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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.