Home / 338,193.42-507,323.70-125,017.20

Finding the Fourth Proportional to 338,193.42, 507,323.70 and 125,017.20

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Solution

The fourth proportional to 338,193.42, 507,323.70 and 125,017.20 is: 187,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,193.42 : 507,323.70 = 125,017.20 : x
  2. Step 2: Convert to fraction form
    338,193.42/507,323.70 = 125,017.20/x
  3. Step 3: Cross multiply
    338,193.42x = 507,323.70 × 125,017.20
  4. Step 4: Simplify right side
    338,193.42x = 63,424,188,467.64
  5. Step 5: Solve for x
    x = 63,424,188,467.64/338,193.42
  6. Step 6: Final answer
    x = 187,538.21

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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.