Home / 281,917.04-389,249.56-181,490

Finding the Fourth Proportional to 281,917.04, 389,249.56 and 181,490

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Solution

The fourth proportional to 281,917.04, 389,249.56 and 181,490 is: 250,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,917.04 : 389,249.56 = 181,490 : x
  2. Step 2: Convert to fraction form
    281,917.04/389,249.56 = 181,490/x
  3. Step 3: Cross multiply
    281,917.04x = 389,249.56 × 181,490
  4. Step 4: Simplify right side
    281,917.04x = 70,644,902,644.40
  5. Step 5: Solve for x
    x = 70,644,902,644.40/281,917.04
  6. Step 6: Final answer
    x = 250,587.56

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1.5x scale

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.