Home / 659,526.10-989,360.83-210,141.34

Finding the Fourth Proportional to 659,526.10, 989,360.83 and 210,141.34

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Solution

The fourth proportional to 659,526.10, 989,360.83 and 210,141.34 is: 315,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,526.10 : 989,360.83 = 210,141.34 : x
  2. Step 2: Convert to fraction form
    659,526.10/989,360.83 = 210,141.34/x
  3. Step 3: Cross multiply
    659,526.10x = 989,360.83 × 210,141.34
  4. Step 4: Simplify right side
    659,526.10x = 207,905,610,559.71
  5. Step 5: Solve for x
    x = 207,905,610,559.71/659,526.10
  6. Step 6: Final answer
    x = 315,234.85

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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.