Home / 218,900.15-301,967.28-178,109.90

Finding the Fourth Proportional to 218,900.15, 301,967.28 and 178,109.90

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Solution

The fourth proportional to 218,900.15, 301,967.28 and 178,109.90 is: 245,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,900.15 : 301,967.28 = 178,109.90 : x
  2. Step 2: Convert to fraction form
    218,900.15/301,967.28 = 178,109.90/x
  3. Step 3: Cross multiply
    218,900.15x = 301,967.28 × 178,109.90
  4. Step 4: Simplify right side
    218,900.15x = 53,783,360,534.24
  5. Step 5: Solve for x
    x = 53,783,360,534.24/218,900.15
  6. Step 6: Final answer
    x = 245,698.15

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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.