Home / 315,721.32-473,525.06-91,026.57

Finding the Fourth Proportional to 315,721.32, 473,525.06 and 91,026.57

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Solution

The fourth proportional to 315,721.32, 473,525.06 and 91,026.57 is: 136,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,721.32 : 473,525.06 = 91,026.57 : x
  2. Step 2: Convert to fraction form
    315,721.32/473,525.06 = 91,026.57/x
  3. Step 3: Cross multiply
    315,721.32x = 473,525.06 × 91,026.57
  4. Step 4: Simplify right side
    315,721.32x = 43,103,361,565.71
  5. Step 5: Solve for x
    x = 43,103,361,565.71/315,721.32
  6. Step 6: Final answer
    x = 136,523.44

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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.