Home / 437,895.40-657,134.70-201,116.20

Finding the Fourth Proportional to 437,895.40, 657,134.70 and 201,116.20

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Solution

The fourth proportional to 437,895.40, 657,134.70 and 201,116.20 is: 301,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,895.40 : 657,134.70 = 201,116.20 : x
  2. Step 2: Convert to fraction form
    437,895.40/657,134.70 = 201,116.20/x
  3. Step 3: Cross multiply
    437,895.40x = 657,134.70 × 201,116.20
  4. Step 4: Simplify right side
    437,895.40x = 132,160,433,752.14
  5. Step 5: Solve for x
    x = 132,160,433,752.14/437,895.40
  6. Step 6: Final answer
    x = 301,808.23

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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.