Home / 362,631.90-500,288.72-209,641.94

Finding the Fourth Proportional to 362,631.90, 500,288.72 and 209,641.94

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Solution

The fourth proportional to 362,631.90, 500,288.72 and 209,641.94 is: 289,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,631.90 : 500,288.72 = 209,641.94 : x
  2. Step 2: Convert to fraction form
    362,631.90/500,288.72 = 209,641.94/x
  3. Step 3: Cross multiply
    362,631.90x = 500,288.72 × 209,641.94
  4. Step 4: Simplify right side
    362,631.90x = 104,881,497,820.92
  5. Step 5: Solve for x
    x = 104,881,497,820.92/362,631.90
  6. Step 6: Final answer
    x = 289,223.03

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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.