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Finding the Fourth Proportional to 315,361.47, 473,104.50 and 115,683.70

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Solution

The fourth proportional to 315,361.47, 473,104.50 and 115,683.70 is: 173,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,361.47 : 473,104.50 = 115,683.70 : x
  2. Step 2: Convert to fraction form
    315,361.47/473,104.50 = 115,683.70/x
  3. Step 3: Cross multiply
    315,361.47x = 473,104.50 × 115,683.70
  4. Step 4: Simplify right side
    315,361.47x = 54,730,479,046.65
  5. Step 5: Solve for x
    x = 54,730,479,046.65/315,361.47
  6. Step 6: Final answer
    x = 173,548.40

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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.