Home / 659,271.08-989,055.75-210,017.54

Finding the Fourth Proportional to 659,271.08, 989,055.75 and 210,017.54

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Solution

The fourth proportional to 659,271.08, 989,055.75 and 210,017.54 is: 315,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,271.08 : 989,055.75 = 210,017.54 : x
  2. Step 2: Convert to fraction form
    659,271.08/989,055.75 = 210,017.54/x
  3. Step 3: Cross multiply
    659,271.08x = 989,055.75 × 210,017.54
  4. Step 4: Simplify right side
    659,271.08x = 207,719,055,537.86
  5. Step 5: Solve for x
    x = 207,719,055,537.86/659,271.08
  6. Step 6: Final answer
    x = 315,073.82

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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.