Home / 253,256.32-349,562.82-157,706.56

Finding the Fourth Proportional to 253,256.32, 349,562.82 and 157,706.56

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Solution

The fourth proportional to 253,256.32, 349,562.82 and 157,706.56 is: 217,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,256.32 : 349,562.82 = 157,706.56 : x
  2. Step 2: Convert to fraction form
    253,256.32/349,562.82 = 157,706.56/x
  3. Step 3: Cross multiply
    253,256.32x = 349,562.82 × 157,706.56
  4. Step 4: Simplify right side
    253,256.32x = 55,128,349,846.10
  5. Step 5: Solve for x
    x = 55,128,349,846.10/253,256.32
  6. Step 6: Final answer
    x = 217,678.08

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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.