Home / 284,663.37-426,980.43-84,985.41

Finding the Fourth Proportional to 284,663.37, 426,980.43 and 84,985.41

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Solution

The fourth proportional to 284,663.37, 426,980.43 and 84,985.41 is: 127,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,663.37 : 426,980.43 = 84,985.41 : x
  2. Step 2: Convert to fraction form
    284,663.37/426,980.43 = 84,985.41/x
  3. Step 3: Cross multiply
    284,663.37x = 426,980.43 × 84,985.41
  4. Step 4: Simplify right side
    284,663.37x = 36,287,106,905.53
  5. Step 5: Solve for x
    x = 36,287,106,905.53/284,663.37
  6. Step 6: Final answer
    x = 127,473.75

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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.