Home / 257,900.60-355,879.02-144,702.52

Finding the Fourth Proportional to 257,900.60, 355,879.02 and 144,702.52

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Solution

The fourth proportional to 257,900.60, 355,879.02 and 144,702.52 is: 199,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,900.60 : 355,879.02 = 144,702.52 : x
  2. Step 2: Convert to fraction form
    257,900.60/355,879.02 = 144,702.52/x
  3. Step 3: Cross multiply
    257,900.60x = 355,879.02 × 144,702.52
  4. Step 4: Simplify right side
    257,900.60x = 51,496,591,009.13
  5. Step 5: Solve for x
    x = 51,496,591,009.13/257,900.60
  6. Step 6: Final answer
    x = 199,676.12

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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.