Home / 315,983.23-473,904.68-91,294.49

Finding the Fourth Proportional to 315,983.23, 473,904.68 and 91,294.49

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Solution

The fourth proportional to 315,983.23, 473,904.68 and 91,294.49 is: 136,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,983.23 : 473,904.68 = 91,294.49 : x
  2. Step 2: Convert to fraction form
    315,983.23/473,904.68 = 91,294.49/x
  3. Step 3: Cross multiply
    315,983.23x = 473,904.68 × 91,294.49
  4. Step 4: Simplify right side
    315,983.23x = 43,264,886,797.50
  5. Step 5: Solve for x
    x = 43,264,886,797.50/315,983.23
  6. Step 6: Final answer
    x = 136,921.47

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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.