Home / 288,075.62-397,544.38-159,014.13

Finding the Fourth Proportional to 288,075.62, 397,544.38 and 159,014.13

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Solution

The fourth proportional to 288,075.62, 397,544.38 and 159,014.13 is: 219,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,075.62 : 397,544.38 = 159,014.13 : x
  2. Step 2: Convert to fraction form
    288,075.62/397,544.38 = 159,014.13/x
  3. Step 3: Cross multiply
    288,075.62x = 397,544.38 × 159,014.13
  4. Step 4: Simplify right side
    288,075.62x = 63,215,171,336.83
  5. Step 5: Solve for x
    x = 63,215,171,336.83/288,075.62
  6. Step 6: Final answer
    x = 219,439.50

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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.