Home / 403,126.16-556,337.06-231,072.74

Finding the Fourth Proportional to 403,126.16, 556,337.06 and 231,072.74

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Solution

The fourth proportional to 403,126.16, 556,337.06 and 231,072.74 is: 318,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,126.16 : 556,337.06 = 231,072.74 : x
  2. Step 2: Convert to fraction form
    403,126.16/556,337.06 = 231,072.74/x
  3. Step 3: Cross multiply
    403,126.16x = 556,337.06 × 231,072.74
  4. Step 4: Simplify right side
    403,126.16x = 128,554,324,880.70
  5. Step 5: Solve for x
    x = 128,554,324,880.70/403,126.16
  6. Step 6: Final answer
    x = 318,893.54

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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.