Home / 379,047.33-523,089.23-209,281.05

Finding the Fourth Proportional to 379,047.33, 523,089.23 and 209,281.05

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Solution

The fourth proportional to 379,047.33, 523,089.23 and 209,281.05 is: 288,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,047.33 : 523,089.23 = 209,281.05 : x
  2. Step 2: Convert to fraction form
    379,047.33/523,089.23 = 209,281.05/x
  3. Step 3: Cross multiply
    379,047.33x = 523,089.23 × 209,281.05
  4. Step 4: Simplify right side
    379,047.33x = 109,472,662,251.69
  5. Step 5: Solve for x
    x = 109,472,662,251.69/379,047.33
  6. Step 6: Final answer
    x = 288,810.01

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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.