Home / 315,908.10-473,887.08-105,546.78

Finding the Fourth Proportional to 315,908.10, 473,887.08 and 105,546.78

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Solution

The fourth proportional to 315,908.10, 473,887.08 and 105,546.78 is: 158,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,908.10 : 473,887.08 = 105,546.78 : x
  2. Step 2: Convert to fraction form
    315,908.10/473,887.08 = 105,546.78/x
  3. Step 3: Cross multiply
    315,908.10x = 473,887.08 × 105,546.78
  4. Step 4: Simplify right side
    315,908.10x = 50,017,255,377.60
  5. Step 5: Solve for x
    x = 50,017,255,377.60/315,908.10
  6. Step 6: Final answer
    x = 158,328.50

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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.