Home / 427,991.04-590,431.68-277,136.64

Finding the Fourth Proportional to 427,991.04, 590,431.68 and 277,136.64

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Solution

The fourth proportional to 427,991.04, 590,431.68 and 277,136.64 is: 382,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,991.04 : 590,431.68 = 277,136.64 : x
  2. Step 2: Convert to fraction form
    427,991.04/590,431.68 = 277,136.64/x
  3. Step 3: Cross multiply
    427,991.04x = 590,431.68 × 277,136.64
  4. Step 4: Simplify right side
    427,991.04x = 163,630,251,944.76
  5. Step 5: Solve for x
    x = 163,630,251,944.76/427,991.04
  6. Step 6: Final answer
    x = 382,321.68

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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.