Home / 361,827.89-498,995.74-225,874.45

Finding the Fourth Proportional to 361,827.89, 498,995.74 and 225,874.45

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Solution

The fourth proportional to 361,827.89, 498,995.74 and 225,874.45 is: 311,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,827.89 : 498,995.74 = 225,874.45 : x
  2. Step 2: Convert to fraction form
    361,827.89/498,995.74 = 225,874.45/x
  3. Step 3: Cross multiply
    361,827.89x = 498,995.74 × 225,874.45
  4. Step 4: Simplify right side
    361,827.89x = 112,710,388,889.53
  5. Step 5: Solve for x
    x = 112,710,388,889.53/361,827.89
  6. Step 6: Final answer
    x = 311,502.77

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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.