Home / 310,306.26-428,240.86-233,690.10

Finding the Fourth Proportional to 310,306.26, 428,240.86 and 233,690.10

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Solution

The fourth proportional to 310,306.26, 428,240.86 and 233,690.10 is: 322,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,306.26 : 428,240.86 = 233,690.10 : x
  2. Step 2: Convert to fraction form
    310,306.26/428,240.86 = 233,690.10/x
  3. Step 3: Cross multiply
    310,306.26x = 428,240.86 × 233,690.10
  4. Step 4: Simplify right side
    310,306.26x = 100,075,649,397.49
  5. Step 5: Solve for x
    x = 100,075,649,397.49/310,306.26
  6. Step 6: Final answer
    x = 322,506.06

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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.