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Finding the Fourth Proportional to 371,126.04, 512,420.22 and 228,077.88

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Solution

The fourth proportional to 371,126.04, 512,420.22 and 228,077.88 is: 314,911.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,126.04 : 512,420.22 = 228,077.88 : x
  2. Step 2: Convert to fraction form
    371,126.04/512,420.22 = 228,077.88/x
  3. Step 3: Cross multiply
    371,126.04x = 512,420.22 × 228,077.88
  4. Step 4: Simplify right side
    371,126.04x = 116,871,717,446.73
  5. Step 5: Solve for x
    x = 116,871,717,446.73/371,126.04
  6. Step 6: Final answer
    x = 314,911.12

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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.