Home / 238,216.20-357,075.66-80,390.28

Finding the Fourth Proportional to 238,216.20, 357,075.66 and 80,390.28

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Solution

The fourth proportional to 238,216.20, 357,075.66 and 80,390.28 is: 120,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,216.20 : 357,075.66 = 80,390.28 : x
  2. Step 2: Convert to fraction form
    238,216.20/357,075.66 = 80,390.28/x
  3. Step 3: Cross multiply
    238,216.20x = 357,075.66 × 80,390.28
  4. Step 4: Simplify right side
    238,216.20x = 28,705,412,288.58
  5. Step 5: Solve for x
    x = 28,705,412,288.58/238,216.20
  6. Step 6: Final answer
    x = 120,501.51

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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.