Home / 344,742.95-516,903.32-142,276.30

Finding the Fourth Proportional to 344,742.95, 516,903.32 and 142,276.30

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Solution

The fourth proportional to 344,742.95, 516,903.32 and 142,276.30 is: 213,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,742.95 : 516,903.32 = 142,276.30 : x
  2. Step 2: Convert to fraction form
    344,742.95/516,903.32 = 142,276.30/x
  3. Step 3: Cross multiply
    344,742.95x = 516,903.32 × 142,276.30
  4. Step 4: Simplify right side
    344,742.95x = 73,543,090,890.75
  5. Step 5: Solve for x
    x = 73,543,090,890.75/344,742.95
  6. Step 6: Final answer
    x = 213,327.32

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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.