Home / 315,214.68-472,845.06-90,566.04

Finding the Fourth Proportional to 315,214.68, 472,845.06 and 90,566.04

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Solution

The fourth proportional to 315,214.68, 472,845.06 and 90,566.04 is: 135,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,214.68 : 472,845.06 = 90,566.04 : x
  2. Step 2: Convert to fraction form
    315,214.68/472,845.06 = 90,566.04/x
  3. Step 3: Cross multiply
    315,214.68x = 472,845.06 × 90,566.04
  4. Step 4: Simplify right side
    315,214.68x = 42,823,704,617.76
  5. Step 5: Solve for x
    x = 42,823,704,617.76/315,214.68
  6. Step 6: Final answer
    x = 135,855.68

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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.