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Finding the Fourth Proportional to 228,973.77, 316,003.29 and 127,032.09

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Solution

The fourth proportional to 228,973.77, 316,003.29 and 127,032.09 is: 175,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,973.77 : 316,003.29 = 127,032.09 : x
  2. Step 2: Convert to fraction form
    228,973.77/316,003.29 = 127,032.09/x
  3. Step 3: Cross multiply
    228,973.77x = 316,003.29 × 127,032.09
  4. Step 4: Simplify right side
    228,973.77x = 40,142,558,375.58
  5. Step 5: Solve for x
    x = 40,142,558,375.58/228,973.77
  6. Step 6: Final answer
    x = 175,315.10

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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.