Home / 438,311.80-657,467.70-227,922.40

Finding the Fourth Proportional to 438,311.80, 657,467.70 and 227,922.40

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Solution

The fourth proportional to 438,311.80, 657,467.70 and 227,922.40 is: 341,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,311.80 : 657,467.70 = 227,922.40 : x
  2. Step 2: Convert to fraction form
    438,311.80/657,467.70 = 227,922.40/x
  3. Step 3: Cross multiply
    438,311.80x = 657,467.70 × 227,922.40
  4. Step 4: Simplify right side
    438,311.80x = 149,851,616,106.48
  5. Step 5: Solve for x
    x = 149,851,616,106.48/438,311.80
  6. Step 6: Final answer
    x = 341,883.60

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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.