Home / 372,525.12-514,155.53-211,395.17

Finding the Fourth Proportional to 372,525.12, 514,155.53 and 211,395.17

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Solution

The fourth proportional to 372,525.12, 514,155.53 and 211,395.17 is: 291,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,525.12 : 514,155.53 = 211,395.17 : x
  2. Step 2: Convert to fraction form
    372,525.12/514,155.53 = 211,395.17/x
  3. Step 3: Cross multiply
    372,525.12x = 514,155.53 × 211,395.17
  4. Step 4: Simplify right side
    372,525.12x = 108,689,992,043.04
  5. Step 5: Solve for x
    x = 108,689,992,043.04/372,525.12
  6. Step 6: Final answer
    x = 291,765.54

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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.