Home / 339,884.36-469,139.01-210,862.16

Finding the Fourth Proportional to 339,884.36, 469,139.01 and 210,862.16

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Solution

The fourth proportional to 339,884.36, 469,139.01 and 210,862.16 is: 291,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,884.36 : 469,139.01 = 210,862.16 : x
  2. Step 2: Convert to fraction form
    339,884.36/469,139.01 = 210,862.16/x
  3. Step 3: Cross multiply
    339,884.36x = 469,139.01 × 210,862.16
  4. Step 4: Simplify right side
    339,884.36x = 98,923,664,988.86
  5. Step 5: Solve for x
    x = 98,923,664,988.86/339,884.36
  6. Step 6: Final answer
    x = 291,050.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.