Home / 211,467.64-291,938.74-163,318.77

Finding the Fourth Proportional to 211,467.64, 291,938.74 and 163,318.77

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Solution

The fourth proportional to 211,467.64, 291,938.74 and 163,318.77 is: 225,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467.64 : 291,938.74 = 163,318.77 : x
  2. Step 2: Convert to fraction form
    211,467.64/291,938.74 = 163,318.77/x
  3. Step 3: Cross multiply
    211,467.64x = 291,938.74 × 163,318.77
  4. Step 4: Simplify right side
    211,467.64x = 47,679,075,523.85
  5. Step 5: Solve for x
    x = 47,679,075,523.85/211,467.64
  6. Step 6: Final answer
    x = 225,467.48

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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.