Home / 302,786.12-417,846.12-173,729.72

Finding the Fourth Proportional to 302,786.12, 417,846.12 and 173,729.72

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Solution

The fourth proportional to 302,786.12, 417,846.12 and 173,729.72 is: 239,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,786.12 : 417,846.12 = 173,729.72 : x
  2. Step 2: Convert to fraction form
    302,786.12/417,846.12 = 173,729.72/x
  3. Step 3: Cross multiply
    302,786.12x = 417,846.12 × 173,729.72
  4. Step 4: Simplify right side
    302,786.12x = 72,592,289,430.69
  5. Step 5: Solve for x
    x = 72,592,289,430.69/302,786.12
  6. Step 6: Final answer
    x = 239,747.74

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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.