Home / 231,288.02-319,189.66-140,628.98

Finding the Fourth Proportional to 231,288.02, 319,189.66 and 140,628.98

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Solution

The fourth proportional to 231,288.02, 319,189.66 and 140,628.98 is: 194,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,288.02 : 319,189.66 = 140,628.98 : x
  2. Step 2: Convert to fraction form
    231,288.02/319,189.66 = 140,628.98/x
  3. Step 3: Cross multiply
    231,288.02x = 319,189.66 × 140,628.98
  4. Step 4: Simplify right side
    231,288.02x = 44,887,316,312.35
  5. Step 5: Solve for x
    x = 44,887,316,312.35/231,288.02
  6. Step 6: Final answer
    x = 194,075.41

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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.