Home / 270,289.32-373,021.74-157,134.12

Finding the Fourth Proportional to 270,289.32, 373,021.74 and 157,134.12

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Solution

The fourth proportional to 270,289.32, 373,021.74 and 157,134.12 is: 216,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,289.32 : 373,021.74 = 157,134.12 : x
  2. Step 2: Convert to fraction form
    270,289.32/373,021.74 = 157,134.12/x
  3. Step 3: Cross multiply
    270,289.32x = 373,021.74 × 157,134.12
  4. Step 4: Simplify right side
    270,289.32x = 58,614,442,855.77
  5. Step 5: Solve for x
    x = 58,614,442,855.77/270,289.32
  6. Step 6: Final answer
    x = 216,858.15

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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.