Home / 287,041.46-430,659.05-127,095.56

Finding the Fourth Proportional to 287,041.46, 430,659.05 and 127,095.56

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Solution

The fourth proportional to 287,041.46, 430,659.05 and 127,095.56 is: 190,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,041.46 : 430,659.05 = 127,095.56 : x
  2. Step 2: Convert to fraction form
    287,041.46/430,659.05 = 127,095.56/x
  3. Step 3: Cross multiply
    287,041.46x = 430,659.05 × 127,095.56
  4. Step 4: Simplify right side
    287,041.46x = 54,734,850,340.05
  5. Step 5: Solve for x
    x = 54,734,850,340.05/287,041.46
  6. Step 6: Final answer
    x = 190,686.22

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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.