Home / 310,306.26-428,223.04-176,170.26

Finding the Fourth Proportional to 310,306.26, 428,223.04 and 176,170.26

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Solution

The fourth proportional to 310,306.26, 428,223.04 and 176,170.26 is: 243,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,306.26 : 428,223.04 = 176,170.26 : x
  2. Step 2: Convert to fraction form
    310,306.26/428,223.04 = 176,170.26/x
  3. Step 3: Cross multiply
    310,306.26x = 428,223.04 × 176,170.26
  4. Step 4: Simplify right side
    310,306.26x = 75,440,164,294.79
  5. Step 5: Solve for x
    x = 75,440,164,294.79/310,306.26
  6. Step 6: Final answer
    x = 243,115.19

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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.