Home / 211,331.94-291,147.93-147,568.74

Finding the Fourth Proportional to 211,331.94, 291,147.93 and 147,568.74

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Solution

The fourth proportional to 211,331.94, 291,147.93 and 147,568.74 is: 203,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,331.94 : 291,147.93 = 147,568.74 : x
  2. Step 2: Convert to fraction form
    211,331.94/291,147.93 = 147,568.74/x
  3. Step 3: Cross multiply
    211,331.94x = 291,147.93 × 147,568.74
  4. Step 4: Simplify right side
    211,331.94x = 42,964,333,183.71
  5. Step 5: Solve for x
    x = 42,964,333,183.71/211,331.94
  6. Step 6: Final answer
    x = 203,302.60

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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.