Home / 349,549.07-521,771.77-299,947.91

Finding the Fourth Proportional to 349,549.07, 521,771.77 and 299,947.91

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Solution

The fourth proportional to 349,549.07, 521,771.77 and 299,947.91 is: 447,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,549.07 : 521,771.77 = 299,947.91 : x
  2. Step 2: Convert to fraction form
    349,549.07/521,771.77 = 299,947.91/x
  3. Step 3: Cross multiply
    349,549.07x = 521,771.77 × 299,947.91
  4. Step 4: Simplify right side
    349,549.07x = 156,504,351,908.50
  5. Step 5: Solve for x
    x = 156,504,351,908.50/349,549.07
  6. Step 6: Final answer
    x = 447,732.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.