Home / 302,753.94-453,973.22-142,786.92

Finding the Fourth Proportional to 302,753.94, 453,973.22 and 142,786.92

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Solution

The fourth proportional to 302,753.94, 453,973.22 and 142,786.92 is: 214,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,753.94 : 453,973.22 = 142,786.92 : x
  2. Step 2: Convert to fraction form
    302,753.94/453,973.22 = 142,786.92/x
  3. Step 3: Cross multiply
    302,753.94x = 453,973.22 × 142,786.92
  4. Step 4: Simplify right side
    302,753.94x = 64,821,437,846.28
  5. Step 5: Solve for x
    x = 64,821,437,846.28/302,753.94
  6. Step 6: Final answer
    x = 214,106.01

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1.5x scale

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.