Home / 372,889.11-514,555.60-209,533.17

Finding the Fourth Proportional to 372,889.11, 514,555.60 and 209,533.17

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Solution

The fourth proportional to 372,889.11, 514,555.60 and 209,533.17 is: 289,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,889.11 : 514,555.60 = 209,533.17 : x
  2. Step 2: Convert to fraction form
    372,889.11/514,555.60 = 209,533.17/x
  3. Step 3: Cross multiply
    372,889.11x = 514,555.60 × 209,533.17
  4. Step 4: Simplify right side
    372,889.11x = 107,816,466,009.25
  5. Step 5: Solve for x
    x = 107,816,466,009.25/372,889.11
  6. Step 6: Final answer
    x = 289,138.15

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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.