Home / 259,419.33-357,862.50-211,075.30

Finding the Fourth Proportional to 259,419.33, 357,862.50 and 211,075.30

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Solution

The fourth proportional to 259,419.33, 357,862.50 and 211,075.30 is: 291,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,419.33 : 357,862.50 = 211,075.30 : x
  2. Step 2: Convert to fraction form
    259,419.33/357,862.50 = 211,075.30/x
  3. Step 3: Cross multiply
    259,419.33x = 357,862.50 × 211,075.30
  4. Step 4: Simplify right side
    259,419.33x = 75,535,934,546.25
  5. Step 5: Solve for x
    x = 75,535,934,546.25/259,419.33
  6. Step 6: Final answer
    x = 291,173.12

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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.