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Finding the Fourth Proportional to 483,124.96, 666,773.96 and 292,139.72

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Solution

The fourth proportional to 483,124.96, 666,773.96 and 292,139.72 is: 403,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,124.96 : 666,773.96 = 292,139.72 : x
  2. Step 2: Convert to fraction form
    483,124.96/666,773.96 = 292,139.72/x
  3. Step 3: Cross multiply
    483,124.96x = 666,773.96 × 292,139.72
  4. Step 4: Simplify right side
    483,124.96x = 194,791,157,977.69
  5. Step 5: Solve for x
    x = 194,791,157,977.69/483,124.96
  6. Step 6: Final answer
    x = 403,190.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.