Home / 291,932.72-402,714.18-253,606.23

Finding the Fourth Proportional to 291,932.72, 402,714.18 and 253,606.23

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Solution

The fourth proportional to 291,932.72, 402,714.18 and 253,606.23 is: 349,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,932.72 : 402,714.18 = 253,606.23 : x
  2. Step 2: Convert to fraction form
    291,932.72/402,714.18 = 253,606.23/x
  3. Step 3: Cross multiply
    291,932.72x = 402,714.18 × 253,606.23
  4. Step 4: Simplify right side
    291,932.72x = 102,130,824,391.03
  5. Step 5: Solve for x
    x = 102,130,824,391.03/291,932.72
  6. Step 6: Final answer
    x = 349,843.70

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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.