Home / 283,146.85-424,222.04-266,290.21

Finding the Fourth Proportional to 283,146.85, 424,222.04 and 266,290.21

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Solution

The fourth proportional to 283,146.85, 424,222.04 and 266,290.21 is: 398,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,146.85 : 424,222.04 = 266,290.21 : x
  2. Step 2: Convert to fraction form
    283,146.85/424,222.04 = 266,290.21/x
  3. Step 3: Cross multiply
    283,146.85x = 424,222.04 × 266,290.21
  4. Step 4: Simplify right side
    283,146.85x = 112,966,176,118.23
  5. Step 5: Solve for x
    x = 112,966,176,118.23/283,146.85
  6. Step 6: Final answer
    x = 398,966.74

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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.