Home / 211,482.42-291,563.11-168,019.03

Finding the Fourth Proportional to 211,482.42, 291,563.11 and 168,019.03

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Solution

The fourth proportional to 211,482.42, 291,563.11 and 168,019.03 is: 231,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,482.42 : 291,563.11 = 168,019.03 : x
  2. Step 2: Convert to fraction form
    211,482.42/291,563.11 = 168,019.03/x
  3. Step 3: Cross multiply
    211,482.42x = 291,563.11 × 168,019.03
  4. Step 4: Simplify right side
    211,482.42x = 48,988,150,925.98
  5. Step 5: Solve for x
    x = 48,988,150,925.98/211,482.42
  6. Step 6: Final answer
    x = 231,641.72

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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.