Home / 404,712.32-607,070.30-105,171.70

Finding the Fourth Proportional to 404,712.32, 607,070.30 and 105,171.70

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Solution

The fourth proportional to 404,712.32, 607,070.30 and 105,171.70 is: 157,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,712.32 : 607,070.30 = 105,171.70 : x
  2. Step 2: Convert to fraction form
    404,712.32/607,070.30 = 105,171.70/x
  3. Step 3: Cross multiply
    404,712.32x = 607,070.30 × 105,171.70
  4. Step 4: Simplify right side
    404,712.32x = 63,846,615,470.51
  5. Step 5: Solve for x
    x = 63,846,615,470.51/404,712.32
  6. Step 6: Final answer
    x = 157,758.02

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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.