Home / 291,938.06-402,721.56-253,611.56

Finding the Fourth Proportional to 291,938.06, 402,721.56 and 253,611.56

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Solution

The fourth proportional to 291,938.06, 402,721.56 and 253,611.56 is: 349,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,938.06 : 402,721.56 = 253,611.56 : x
  2. Step 2: Convert to fraction form
    291,938.06/402,721.56 = 253,611.56/x
  3. Step 3: Cross multiply
    291,938.06x = 402,721.56 × 253,611.56
  4. Step 4: Simplify right side
    291,938.06x = 102,134,844,084.04
  5. Step 5: Solve for x
    x = 102,134,844,084.04/291,938.06
  6. Step 6: Final answer
    x = 349,851.07

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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.