Home / 659,328.42-988,982.22-210,045.45

Finding the Fourth Proportional to 659,328.42, 988,982.22 and 210,045.45

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Solution

The fourth proportional to 659,328.42, 988,982.22 and 210,045.45 is: 315,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,328.42 : 988,982.22 = 210,045.45 : x
  2. Step 2: Convert to fraction form
    659,328.42/988,982.22 = 210,045.45/x
  3. Step 3: Cross multiply
    659,328.42x = 988,982.22 × 210,045.45
  4. Step 4: Simplify right side
    659,328.42x = 207,731,215,441.90
  5. Step 5: Solve for x
    x = 207,731,215,441.90/659,328.42
  6. Step 6: Final answer
    x = 315,064.86

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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.