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Finding the Fourth Proportional to 352,360.98, 486,246.69 and 197,312.40

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Solution

The fourth proportional to 352,360.98, 486,246.69 and 197,312.40 is: 272,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,360.98 : 486,246.69 = 197,312.40 : x
  2. Step 2: Convert to fraction form
    352,360.98/486,246.69 = 197,312.40/x
  3. Step 3: Cross multiply
    352,360.98x = 486,246.69 × 197,312.40
  4. Step 4: Simplify right side
    352,360.98x = 95,942,501,395.96
  5. Step 5: Solve for x
    x = 95,942,501,395.96/352,360.98
  6. Step 6: Final answer
    x = 272,284.69

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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.