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Finding the Fourth Proportional to 229,182.84, 316,266.39 and 127,203.03

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Solution

The fourth proportional to 229,182.84, 316,266.39 and 127,203.03 is: 175,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,182.84 : 316,266.39 = 127,203.03 : x
  2. Step 2: Convert to fraction form
    229,182.84/316,266.39 = 127,203.03/x
  3. Step 3: Cross multiply
    229,182.84x = 316,266.39 × 127,203.03
  4. Step 4: Simplify right side
    229,182.84x = 40,230,043,095.16
  5. Step 5: Solve for x
    x = 40,230,043,095.16/229,182.84
  6. Step 6: Final answer
    x = 175,536.89

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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.