Home / 211,037.85-316,573.17-61,280.61

Finding the Fourth Proportional to 211,037.85, 316,573.17 and 61,280.61

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Solution

The fourth proportional to 211,037.85, 316,573.17 and 61,280.61 is: 91,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,037.85 : 316,573.17 = 61,280.61 : x
  2. Step 2: Convert to fraction form
    211,037.85/316,573.17 = 61,280.61/x
  3. Step 3: Cross multiply
    211,037.85x = 316,573.17 × 61,280.61
  4. Step 4: Simplify right side
    211,037.85x = 19,399,796,967.23
  5. Step 5: Solve for x
    x = 19,399,796,967.23/211,037.85
  6. Step 6: Final answer
    x = 91,925.68

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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.