Home / 315,333.20-472,999.80-173,615.60

Finding the Fourth Proportional to 315,333.20, 472,999.80 and 173,615.60

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Solution

The fourth proportional to 315,333.20, 472,999.80 and 173,615.60 is: 260,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,333.20 : 472,999.80 = 173,615.60 : x
  2. Step 2: Convert to fraction form
    315,333.20/472,999.80 = 173,615.60/x
  3. Step 3: Cross multiply
    315,333.20x = 472,999.80 × 173,615.60
  4. Step 4: Simplify right side
    315,333.20x = 82,120,144,076.88
  5. Step 5: Solve for x
    x = 82,120,144,076.88/315,333.20
  6. Step 6: Final answer
    x = 260,423.40

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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.