Home / 389,530.14-584,236.53-123,256.02

Finding the Fourth Proportional to 389,530.14, 584,236.53 and 123,256.02

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Solution

The fourth proportional to 389,530.14, 584,236.53 and 123,256.02 is: 184,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,530.14 : 584,236.53 = 123,256.02 : x
  2. Step 2: Convert to fraction form
    389,530.14/584,236.53 = 123,256.02/x
  3. Step 3: Cross multiply
    389,530.14x = 584,236.53 × 123,256.02
  4. Step 4: Simplify right side
    389,530.14x = 72,010,669,426.41
  5. Step 5: Solve for x
    x = 72,010,669,426.41/389,530.14
  6. Step 6: Final answer
    x = 184,865.46

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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.