Home / 310,338.22-428,267.25-176,202.22

Finding the Fourth Proportional to 310,338.22, 428,267.25 and 176,202.22

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Solution

The fourth proportional to 310,338.22, 428,267.25 and 176,202.22 is: 243,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,338.22 : 428,267.25 = 176,202.22 : x
  2. Step 2: Convert to fraction form
    310,338.22/428,267.25 = 176,202.22/x
  3. Step 3: Cross multiply
    310,338.22x = 428,267.25 × 176,202.22
  4. Step 4: Simplify right side
    310,338.22x = 75,461,640,203.30
  5. Step 5: Solve for x
    x = 75,461,640,203.30/310,338.22
  6. Step 6: Final answer
    x = 243,159.35

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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.