Home / 211,325.12-316,884.24-104,585.84

Finding the Fourth Proportional to 211,325.12, 316,884.24 and 104,585.84

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Solution

The fourth proportional to 211,325.12, 316,884.24 and 104,585.84 is: 156,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,325.12 : 316,884.24 = 104,585.84 : x
  2. Step 2: Convert to fraction form
    211,325.12/316,884.24 = 104,585.84/x
  3. Step 3: Cross multiply
    211,325.12x = 316,884.24 × 104,585.84
  4. Step 4: Simplify right side
    211,325.12x = 33,141,604,423.16
  5. Step 5: Solve for x
    x = 33,141,604,423.16/211,325.12
  6. Step 6: Final answer
    x = 156,827.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.