Home / 302,507.45-453,655.40-89,218.79

Finding the Fourth Proportional to 302,507.45, 453,655.40 and 89,218.79

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Solution

The fourth proportional to 302,507.45, 453,655.40 and 89,218.79 is: 133,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,507.45 : 453,655.40 = 89,218.79 : x
  2. Step 2: Convert to fraction form
    302,507.45/453,655.40 = 89,218.79/x
  3. Step 3: Cross multiply
    302,507.45x = 453,655.40 × 89,218.79
  4. Step 4: Simplify right side
    302,507.45x = 40,474,583,150.60
  5. Step 5: Solve for x
    x = 40,474,583,150.60/302,507.45
  6. Step 6: Final answer
    x = 133,796.98

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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.