Home / 302,088.10-453,102.78-91,727.86

Finding the Fourth Proportional to 302,088.10, 453,102.78 and 91,727.86

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Solution

The fourth proportional to 302,088.10, 453,102.78 and 91,727.86 is: 137,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,088.10 : 453,102.78 = 91,727.86 : x
  2. Step 2: Convert to fraction form
    302,088.10/453,102.78 = 91,727.86/x
  3. Step 3: Cross multiply
    302,088.10x = 453,102.78 × 91,727.86
  4. Step 4: Simplify right side
    302,088.10x = 41,562,148,369.45
  5. Step 5: Solve for x
    x = 41,562,148,369.45/302,088.10
  6. Step 6: Final answer
    x = 137,582.87

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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.