Home / 379,008.10-523,075.89-217,869.94

Finding the Fourth Proportional to 379,008.10, 523,075.89 and 217,869.94

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Solution

The fourth proportional to 379,008.10, 523,075.89 and 217,869.94 is: 300,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,008.10 : 523,075.89 = 217,869.94 : x
  2. Step 2: Convert to fraction form
    379,008.10/523,075.89 = 217,869.94/x
  3. Step 3: Cross multiply
    379,008.10x = 523,075.89 × 217,869.94
  4. Step 4: Simplify right side
    379,008.10x = 113,962,512,769.75
  5. Step 5: Solve for x
    x = 113,962,512,769.75/379,008.10
  6. Step 6: Final answer
    x = 300,686.22

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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.