Home / 284,137.86-392,161.04-169,423.89

Finding the Fourth Proportional to 284,137.86, 392,161.04 and 169,423.89

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Solution

The fourth proportional to 284,137.86, 392,161.04 and 169,423.89 is: 233,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,137.86 : 392,161.04 = 169,423.89 : x
  2. Step 2: Convert to fraction form
    284,137.86/392,161.04 = 169,423.89/x
  3. Step 3: Cross multiply
    284,137.86x = 392,161.04 × 169,423.89
  4. Step 4: Simplify right side
    284,137.86x = 66,441,448,056.13
  5. Step 5: Solve for x
    x = 66,441,448,056.13/284,137.86
  6. Step 6: Final answer
    x = 233,835.25

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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.