Home / 385,255.67-577,982.09-225,466.16

Finding the Fourth Proportional to 385,255.67, 577,982.09 and 225,466.16

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Solution

The fourth proportional to 385,255.67, 577,982.09 and 225,466.16 is: 338,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,255.67 : 577,982.09 = 225,466.16 : x
  2. Step 2: Convert to fraction form
    385,255.67/577,982.09 = 225,466.16/x
  3. Step 3: Cross multiply
    385,255.67x = 577,982.09 × 225,466.16
  4. Step 4: Simplify right side
    385,255.67x = 130,315,400,054.83
  5. Step 5: Solve for x
    x = 130,315,400,054.83/385,255.67
  6. Step 6: Final answer
    x = 338,256.93

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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.