Home / 659,269.08-989,052.75-210,015.54

Finding the Fourth Proportional to 659,269.08, 989,052.75 and 210,015.54

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Solution

The fourth proportional to 659,269.08, 989,052.75 and 210,015.54 is: 315,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,269.08 : 989,052.75 = 210,015.54 : x
  2. Step 2: Convert to fraction form
    659,269.08/989,052.75 = 210,015.54/x
  3. Step 3: Cross multiply
    659,269.08x = 989,052.75 × 210,015.54
  4. Step 4: Simplify right side
    659,269.08x = 207,716,447,379.74
  5. Step 5: Solve for x
    x = 207,716,447,379.74/659,269.08
  6. Step 6: Final answer
    x = 315,070.82

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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.