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Finding the Fourth Proportional to 273,430.60, 409,854.30 and 104,885.80

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Solution

The fourth proportional to 273,430.60, 409,854.30 and 104,885.80 is: 157,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,430.60 : 409,854.30 = 104,885.80 : x
  2. Step 2: Convert to fraction form
    273,430.60/409,854.30 = 104,885.80/x
  3. Step 3: Cross multiply
    273,430.60x = 409,854.30 × 104,885.80
  4. Step 4: Simplify right side
    273,430.60x = 42,987,896,138.94
  5. Step 5: Solve for x
    x = 42,987,896,138.94/273,430.60
  6. Step 6: Final answer
    x = 157,216.84

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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.