Home / 251,860.94-347,490.02-142,947.50

Finding the Fourth Proportional to 251,860.94, 347,490.02 and 142,947.50

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Solution

The fourth proportional to 251,860.94, 347,490.02 and 142,947.50 is: 197,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,860.94 : 347,490.02 = 142,947.50 : x
  2. Step 2: Convert to fraction form
    251,860.94/347,490.02 = 142,947.50/x
  3. Step 3: Cross multiply
    251,860.94x = 347,490.02 × 142,947.50
  4. Step 4: Simplify right side
    251,860.94x = 49,672,829,633.95
  5. Step 5: Solve for x
    x = 49,672,829,633.95/251,860.94
  6. Step 6: Final answer
    x = 197,223.24

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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.