Home / 211,632.08-317,444.63-85,269.24

Finding the Fourth Proportional to 211,632.08, 317,444.63 and 85,269.24

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Solution

The fourth proportional to 211,632.08, 317,444.63 and 85,269.24 is: 127,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,632.08 : 317,444.63 = 85,269.24 : x
  2. Step 2: Convert to fraction form
    211,632.08/317,444.63 = 85,269.24/x
  3. Step 3: Cross multiply
    211,632.08x = 317,444.63 × 85,269.24
  4. Step 4: Simplify right side
    211,632.08x = 27,068,261,915.84
  5. Step 5: Solve for x
    x = 27,068,261,915.84/211,632.08
  6. Step 6: Final answer
    x = 127,902.45

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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.