Home / 228,983.16-316,034.60-127,041.45

Finding the Fourth Proportional to 228,983.16, 316,034.60 and 127,041.45

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Solution

The fourth proportional to 228,983.16, 316,034.60 and 127,041.45 is: 175,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,983.16 : 316,034.60 = 127,041.45 : x
  2. Step 2: Convert to fraction form
    228,983.16/316,034.60 = 127,041.45/x
  3. Step 3: Cross multiply
    228,983.16x = 316,034.60 × 127,041.45
  4. Step 4: Simplify right side
    228,983.16x = 40,149,492,408.88
  5. Step 5: Solve for x
    x = 40,149,492,408.88/228,983.16
  6. Step 6: Final answer
    x = 175,338.19

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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.