Home / 253,231.05-349,566.45-157,784.91

Finding the Fourth Proportional to 253,231.05, 349,566.45 and 157,784.91

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Solution

The fourth proportional to 253,231.05, 349,566.45 and 157,784.91 is: 217,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,231.05 : 349,566.45 = 157,784.91 : x
  2. Step 2: Convert to fraction form
    253,231.05/349,566.45 = 157,784.91/x
  3. Step 3: Cross multiply
    253,231.05x = 349,566.45 × 157,784.91
  4. Step 4: Simplify right side
    253,231.05x = 55,156,310,852.27
  5. Step 5: Solve for x
    x = 55,156,310,852.27/253,231.05
  6. Step 6: Final answer
    x = 217,810.22

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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.