Home / 310,680.23-428,735.91-174,715.13

Finding the Fourth Proportional to 310,680.23, 428,735.91 and 174,715.13

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Solution

The fourth proportional to 310,680.23, 428,735.91 and 174,715.13 is: 241,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,680.23 : 428,735.91 = 174,715.13 : x
  2. Step 2: Convert to fraction form
    310,680.23/428,735.91 = 174,715.13/x
  3. Step 3: Cross multiply
    310,680.23x = 428,735.91 × 174,715.13
  4. Step 4: Simplify right side
    310,680.23x = 74,906,649,075.31
  5. Step 5: Solve for x
    x = 74,906,649,075.31/310,680.23
  6. Step 6: Final answer
    x = 241,105.29

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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.