Home / 316,939.48-437,124.54-269,350.36

Finding the Fourth Proportional to 316,939.48, 437,124.54 and 269,350.36

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Solution

The fourth proportional to 316,939.48, 437,124.54 and 269,350.36 is: 371,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,939.48 : 437,124.54 = 269,350.36 : x
  2. Step 2: Convert to fraction form
    316,939.48/437,124.54 = 269,350.36/x
  3. Step 3: Cross multiply
    316,939.48x = 437,124.54 × 269,350.36
  4. Step 4: Simplify right side
    316,939.48x = 117,739,652,213.83
  5. Step 5: Solve for x
    x = 117,739,652,213.83/316,939.48
  6. Step 6: Final answer
    x = 371,489.38

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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.