Home / 284,823.10-426,860.88-209,590.98

Finding the Fourth Proportional to 284,823.10, 426,860.88 and 209,590.98

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Solution

The fourth proportional to 284,823.10, 426,860.88 and 209,590.98 is: 314,111.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,823.10 : 426,860.88 = 209,590.98 : x
  2. Step 2: Convert to fraction form
    284,823.10/426,860.88 = 209,590.98/x
  3. Step 3: Cross multiply
    284,823.10x = 426,860.88 × 209,590.98
  4. Step 4: Simplify right side
    284,823.10x = 89,466,190,162.86
  5. Step 5: Solve for x
    x = 89,466,190,162.86/284,823.10
  6. Step 6: Final answer
    x = 314,111.43

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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.