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Finding the Fourth Proportional to 315,594.15, 473,452.96 and 115,916.04

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Solution

The fourth proportional to 315,594.15, 473,452.96 and 115,916.04 is: 173,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,594.15 : 473,452.96 = 115,916.04 : x
  2. Step 2: Convert to fraction form
    315,594.15/473,452.96 = 115,916.04/x
  3. Step 3: Cross multiply
    315,594.15x = 473,452.96 × 115,916.04
  4. Step 4: Simplify right side
    315,594.15x = 54,880,792,249.48
  5. Step 5: Solve for x
    x = 54,880,792,249.48/315,594.15
  6. Step 6: Final answer
    x = 173,896.73

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1.5x scale

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.