Home / 287,273.18-430,893.57-127,303.04

Finding the Fourth Proportional to 287,273.18, 430,893.57 and 127,303.04

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Solution

The fourth proportional to 287,273.18, 430,893.57 and 127,303.04 is: 190,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,273.18 : 430,893.57 = 127,303.04 : x
  2. Step 2: Convert to fraction form
    287,273.18/430,893.57 = 127,303.04/x
  3. Step 3: Cross multiply
    287,273.18x = 430,893.57 × 127,303.04
  4. Step 4: Simplify right side
    287,273.18x = 54,854,062,932.07
  5. Step 5: Solve for x
    x = 54,854,062,932.07/287,273.18
  6. Step 6: Final answer
    x = 190,947.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.