Home / 284,628.18-426,056.54-179,225.72

Finding the Fourth Proportional to 284,628.18, 426,056.54 and 179,225.72

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Solution

The fourth proportional to 284,628.18, 426,056.54 and 179,225.72 is: 268,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,628.18 : 426,056.54 = 179,225.72 : x
  2. Step 2: Convert to fraction form
    284,628.18/426,056.54 = 179,225.72/x
  3. Step 3: Cross multiply
    284,628.18x = 426,056.54 × 179,225.72
  4. Step 4: Simplify right side
    284,628.18x = 76,360,287,115.80
  5. Step 5: Solve for x
    x = 76,360,287,115.80/284,628.18
  6. Step 6: Final answer
    x = 268,280.84

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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.