Home / 324,526.64-486,836.16-99,905.84

Finding the Fourth Proportional to 324,526.64, 486,836.16 and 99,905.84

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Solution

The fourth proportional to 324,526.64, 486,836.16 and 99,905.84 is: 149,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,526.64 : 486,836.16 = 99,905.84 : x
  2. Step 2: Convert to fraction form
    324,526.64/486,836.16 = 99,905.84/x
  3. Step 3: Cross multiply
    324,526.64x = 486,836.16 × 99,905.84
  4. Step 4: Simplify right side
    324,526.64x = 48,637,775,507.17
  5. Step 5: Solve for x
    x = 48,637,775,507.17/324,526.64
  6. Step 6: Final answer
    x = 149,872.98

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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.