Home / 351,733.60-485,363.64-198,785.62

Finding the Fourth Proportional to 351,733.60, 485,363.64 and 198,785.62

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Solution

The fourth proportional to 351,733.60, 485,363.64 and 198,785.62 is: 274,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,733.60 : 485,363.64 = 198,785.62 : x
  2. Step 2: Convert to fraction form
    351,733.60/485,363.64 = 198,785.62/x
  3. Step 3: Cross multiply
    351,733.60x = 485,363.64 × 198,785.62
  4. Step 4: Simplify right side
    351,733.60x = 96,483,312,102.86
  5. Step 5: Solve for x
    x = 96,483,312,102.86/351,733.60
  6. Step 6: Final answer
    x = 274,307.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.