Home / 317,228.90-437,546.49-269,406.50

Finding the Fourth Proportional to 317,228.90, 437,546.49 and 269,406.50

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Solution

The fourth proportional to 317,228.90, 437,546.49 and 269,406.50 is: 371,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,228.90 : 437,546.49 = 269,406.50 : x
  2. Step 2: Convert to fraction form
    317,228.90/437,546.49 = 269,406.50/x
  3. Step 3: Cross multiply
    317,228.90x = 437,546.49 × 269,406.50
  4. Step 4: Simplify right side
    317,228.90x = 117,877,868,458.19
  5. Step 5: Solve for x
    x = 117,877,868,458.19/317,228.90
  6. Step 6: Final answer
    x = 371,586.16

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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.