Home / 253,429.02-349,694.43-153,921.85

Finding the Fourth Proportional to 253,429.02, 349,694.43 and 153,921.85

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Solution

The fourth proportional to 253,429.02, 349,694.43 and 153,921.85 is: 212,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,429.02 : 349,694.43 = 153,921.85 : x
  2. Step 2: Convert to fraction form
    253,429.02/349,694.43 = 153,921.85/x
  3. Step 3: Cross multiply
    253,429.02x = 349,694.43 × 153,921.85
  4. Step 4: Simplify right side
    253,429.02x = 53,825,612,341.25
  5. Step 5: Solve for x
    x = 53,825,612,341.25/253,429.02
  6. Step 6: Final answer
    x = 212,389.30

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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.