Home / 279,516.04-385,727.14-152,189.32

Finding the Fourth Proportional to 279,516.04, 385,727.14 and 152,189.32

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Solution

The fourth proportional to 279,516.04, 385,727.14 and 152,189.32 is: 210,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,516.04 : 385,727.14 = 152,189.32 : x
  2. Step 2: Convert to fraction form
    279,516.04/385,727.14 = 152,189.32/x
  3. Step 3: Cross multiply
    279,516.04x = 385,727.14 × 152,189.32
  4. Step 4: Simplify right side
    279,516.04x = 58,703,551,142.14
  5. Step 5: Solve for x
    x = 58,703,551,142.14/279,516.04
  6. Step 6: Final answer
    x = 210,018.54

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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.