Home / 376,742.60-565,551.30-216,945.80

Finding the Fourth Proportional to 376,742.60, 565,551.30 and 216,945.80

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Solution

The fourth proportional to 376,742.60, 565,551.30 and 216,945.80 is: 325,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,742.60 : 565,551.30 = 216,945.80 : x
  2. Step 2: Convert to fraction form
    376,742.60/565,551.30 = 216,945.80/x
  3. Step 3: Cross multiply
    376,742.60x = 565,551.30 × 216,945.80
  4. Step 4: Simplify right side
    376,742.60x = 122,693,979,219.54
  5. Step 5: Solve for x
    x = 122,693,979,219.54/376,742.60
  6. Step 6: Final answer
    x = 325,670.58

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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.