Home / 338,638.16-507,984.89-170,071.79

Finding the Fourth Proportional to 338,638.16, 507,984.89 and 170,071.79

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Solution

The fourth proportional to 338,638.16, 507,984.89 and 170,071.79 is: 255,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,638.16 : 507,984.89 = 170,071.79 : x
  2. Step 2: Convert to fraction form
    338,638.16/507,984.89 = 170,071.79/x
  3. Step 3: Cross multiply
    338,638.16x = 507,984.89 × 170,071.79
  4. Step 4: Simplify right side
    338,638.16x = 86,393,896,144.97
  5. Step 5: Solve for x
    x = 86,393,896,144.97/338,638.16
  6. Step 6: Final answer
    x = 255,121.57

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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.