Home / 341,075.20-511,321.08-130,864

Finding the Fourth Proportional to 341,075.20, 511,321.08 and 130,864

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Solution

The fourth proportional to 341,075.20, 511,321.08 and 130,864 is: 196,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,075.20 : 511,321.08 = 130,864 : x
  2. Step 2: Convert to fraction form
    341,075.20/511,321.08 = 130,864/x
  3. Step 3: Cross multiply
    341,075.20x = 511,321.08 × 130,864
  4. Step 4: Simplify right side
    341,075.20x = 66,913,521,813.12
  5. Step 5: Solve for x
    x = 66,913,521,813.12/341,075.20
  6. Step 6: Final answer
    x = 196,184.07

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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.