Home / 338,560.90-507,907.73-125,330.45

Finding the Fourth Proportional to 338,560.90, 507,907.73 and 125,330.45

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Solution

The fourth proportional to 338,560.90, 507,907.73 and 125,330.45 is: 188,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,560.90 : 507,907.73 = 125,330.45 : x
  2. Step 2: Convert to fraction form
    338,560.90/507,907.73 = 125,330.45/x
  3. Step 3: Cross multiply
    338,560.90x = 507,907.73 × 125,330.45
  4. Step 4: Simplify right side
    338,560.90x = 63,656,304,359.38
  5. Step 5: Solve for x
    x = 63,656,304,359.38/338,560.90
  6. Step 6: Final answer
    x = 188,020.25

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1.5x scale

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.