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Finding the Fourth Proportional to 346,289.58, 520,266.65 and 327,171.56

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Solution

The fourth proportional to 346,289.58, 520,266.65 and 327,171.56 is: 491,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,289.58 : 520,266.65 = 327,171.56 : x
  2. Step 2: Convert to fraction form
    346,289.58/520,266.65 = 327,171.56/x
  3. Step 3: Cross multiply
    346,289.58x = 520,266.65 × 327,171.56
  4. Step 4: Simplify right side
    346,289.58x = 170,216,447,259.28
  5. Step 5: Solve for x
    x = 170,216,447,259.28/346,289.58
  6. Step 6: Final answer
    x = 491,543.66

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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.