Home / 310,489.04-465,914.31-130,561.46

Finding the Fourth Proportional to 310,489.04, 465,914.31 and 130,561.46

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Solution

The fourth proportional to 310,489.04, 465,914.31 and 130,561.46 is: 195,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,489.04 : 465,914.31 = 130,561.46 : x
  2. Step 2: Convert to fraction form
    310,489.04/465,914.31 = 130,561.46/x
  3. Step 3: Cross multiply
    310,489.04x = 465,914.31 × 130,561.46
  4. Step 4: Simplify right side
    310,489.04x = 60,830,452,548.49
  5. Step 5: Solve for x
    x = 60,830,452,548.49/310,489.04
  6. Step 6: Final answer
    x = 195,918.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.