Home / 302,979.35-417,957.63-231,234.86

Finding the Fourth Proportional to 302,979.35, 417,957.63 and 231,234.86

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Solution

The fourth proportional to 302,979.35, 417,957.63 and 231,234.86 is: 318,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,979.35 : 417,957.63 = 231,234.86 : x
  2. Step 2: Convert to fraction form
    302,979.35/417,957.63 = 231,234.86/x
  3. Step 3: Cross multiply
    302,979.35x = 417,957.63 × 231,234.86
  4. Step 4: Simplify right side
    302,979.35x = 96,646,374,058.98
  5. Step 5: Solve for x
    x = 96,646,374,058.98/302,979.35
  6. Step 6: Final answer
    x = 318,986.67

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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.