Home / 260,205.48-388,109.64-252,330.12

Finding the Fourth Proportional to 260,205.48, 388,109.64 and 252,330.12

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Solution

The fourth proportional to 260,205.48, 388,109.64 and 252,330.12 is: 376,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,205.48 : 388,109.64 = 252,330.12 : x
  2. Step 2: Convert to fraction form
    260,205.48/388,109.64 = 252,330.12/x
  3. Step 3: Cross multiply
    260,205.48x = 388,109.64 × 252,330.12
  4. Step 4: Simplify right side
    260,205.48x = 97,931,752,034.36
  5. Step 5: Solve for x
    x = 97,931,752,034.36/260,205.48
  6. Step 6: Final answer
    x = 376,363.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.