Home / 309,253.08-426,758.93-171,426.22

Finding the Fourth Proportional to 309,253.08, 426,758.93 and 171,426.22

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Solution

The fourth proportional to 309,253.08, 426,758.93 and 171,426.22 is: 236,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,253.08 : 426,758.93 = 171,426.22 : x
  2. Step 2: Convert to fraction form
    309,253.08/426,758.93 = 171,426.22/x
  3. Step 3: Cross multiply
    309,253.08x = 426,758.93 × 171,426.22
  4. Step 4: Simplify right side
    309,253.08x = 73,157,668,297.12
  5. Step 5: Solve for x
    x = 73,157,668,297.12/309,253.08
  6. Step 6: Final answer
    x = 236,562.46

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1.5x scale

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.