Home / 385,581.06-578,173.14-225,968.94

Finding the Fourth Proportional to 385,581.06, 578,173.14 and 225,968.94

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Solution

The fourth proportional to 385,581.06, 578,173.14 and 225,968.94 is: 338,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,581.06 : 578,173.14 = 225,968.94 : x
  2. Step 2: Convert to fraction form
    385,581.06/578,173.14 = 225,968.94/x
  3. Step 3: Cross multiply
    385,581.06x = 578,173.14 × 225,968.94
  4. Step 4: Simplify right side
    385,581.06x = 130,649,171,582.27
  5. Step 5: Solve for x
    x = 130,649,171,582.27/385,581.06
  6. Step 6: Final answer
    x = 338,837.11

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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.