Home / 325,580.10-488,370.15-207,336.30

Finding the Fourth Proportional to 325,580.10, 488,370.15 and 207,336.30

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Solution

The fourth proportional to 325,580.10, 488,370.15 and 207,336.30 is: 311,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,580.10 : 488,370.15 = 207,336.30 : x
  2. Step 2: Convert to fraction form
    325,580.10/488,370.15 = 207,336.30/x
  3. Step 3: Cross multiply
    325,580.10x = 488,370.15 × 207,336.30
  4. Step 4: Simplify right side
    325,580.10x = 101,256,859,931.45
  5. Step 5: Solve for x
    x = 101,256,859,931.45/325,580.10
  6. Step 6: Final answer
    x = 311,004.45

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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.