Home / 280,232.43-386,720.01-152,907.93

Finding the Fourth Proportional to 280,232.43, 386,720.01 and 152,907.93

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Solution

The fourth proportional to 280,232.43, 386,720.01 and 152,907.93 is: 211,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,232.43 : 386,720.01 = 152,907.93 : x
  2. Step 2: Convert to fraction form
    280,232.43/386,720.01 = 152,907.93/x
  3. Step 3: Cross multiply
    280,232.43x = 386,720.01 × 152,907.93
  4. Step 4: Simplify right side
    280,232.43x = 59,132,556,218.68
  5. Step 5: Solve for x
    x = 59,132,556,218.68/280,232.43
  6. Step 6: Final answer
    x = 211,012.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.