Home / 266,256.35-367,431.90-145,397.64

Finding the Fourth Proportional to 266,256.35, 367,431.90 and 145,397.64

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Solution

The fourth proportional to 266,256.35, 367,431.90 and 145,397.64 is: 200,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,256.35 : 367,431.90 = 145,397.64 : x
  2. Step 2: Convert to fraction form
    266,256.35/367,431.90 = 145,397.64/x
  3. Step 3: Cross multiply
    266,256.35x = 367,431.90 × 145,397.64
  4. Step 4: Simplify right side
    266,256.35x = 53,423,730,316.63
  5. Step 5: Solve for x
    x = 53,423,730,316.63/266,256.35
  6. Step 6: Final answer
    x = 200,647.72

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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.