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Finding the Fourth Proportional to 377,999.40, 566,999.10 and 228,700.20

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Solution

The fourth proportional to 377,999.40, 566,999.10 and 228,700.20 is: 343,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,999.40 : 566,999.10 = 228,700.20 : x
  2. Step 2: Convert to fraction form
    377,999.40/566,999.10 = 228,700.20/x
  3. Step 3: Cross multiply
    377,999.40x = 566,999.10 × 228,700.20
  4. Step 4: Simplify right side
    377,999.40x = 129,672,807,569.82
  5. Step 5: Solve for x
    x = 129,672,807,569.82/377,999.40
  6. Step 6: Final answer
    x = 343,050.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.