Home / 370,344.04-511,075.48-200,578.20

Finding the Fourth Proportional to 370,344.04, 511,075.48 and 200,578.20

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Solution

The fourth proportional to 370,344.04, 511,075.48 and 200,578.20 is: 276,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,344.04 : 511,075.48 = 200,578.20 : x
  2. Step 2: Convert to fraction form
    370,344.04/511,075.48 = 200,578.20/x
  3. Step 3: Cross multiply
    370,344.04x = 511,075.48 × 200,578.20
  4. Step 4: Simplify right side
    370,344.04x = 102,510,599,842.54
  5. Step 5: Solve for x
    x = 102,510,599,842.54/370,344.04
  6. Step 6: Final answer
    x = 276,798.30

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1.5x scale

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.