Home / 381,669.40-572,504.10-224,075.80

Finding the Fourth Proportional to 381,669.40, 572,504.10 and 224,075.80

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Solution

The fourth proportional to 381,669.40, 572,504.10 and 224,075.80 is: 336,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,669.40 : 572,504.10 = 224,075.80 : x
  2. Step 2: Convert to fraction form
    381,669.40/572,504.10 = 224,075.80/x
  3. Step 3: Cross multiply
    381,669.40x = 572,504.10 × 224,075.80
  4. Step 4: Simplify right side
    381,669.40x = 128,284,314,210.78
  5. Step 5: Solve for x
    x = 128,284,314,210.78/381,669.40
  6. Step 6: Final answer
    x = 336,113.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.