Home / 259,075.26-388,612.89-148,189.50

Finding the Fourth Proportional to 259,075.26, 388,612.89 and 148,189.50

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Solution

The fourth proportional to 259,075.26, 388,612.89 and 148,189.50 is: 222,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,075.26 : 388,612.89 = 148,189.50 : x
  2. Step 2: Convert to fraction form
    259,075.26/388,612.89 = 148,189.50/x
  3. Step 3: Cross multiply
    259,075.26x = 388,612.89 × 148,189.50
  4. Step 4: Simplify right side
    259,075.26x = 57,588,349,862.66
  5. Step 5: Solve for x
    x = 57,588,349,862.66/259,075.26
  6. Step 6: Final answer
    x = 222,284.25

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1.5x scale

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.