Home / 211,422.24-291,431.52-160,230.06

Finding the Fourth Proportional to 211,422.24, 291,431.52 and 160,230.06

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Solution

The fourth proportional to 211,422.24, 291,431.52 and 160,230.06 is: 220,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,422.24 : 291,431.52 = 160,230.06 : x
  2. Step 2: Convert to fraction form
    211,422.24/291,431.52 = 160,230.06/x
  3. Step 3: Cross multiply
    211,422.24x = 291,431.52 × 160,230.06
  4. Step 4: Simplify right side
    211,422.24x = 46,696,089,935.49
  5. Step 5: Solve for x
    x = 46,696,089,935.49/211,422.24
  6. Step 6: Final answer
    x = 220,866.50

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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.