Home / 211,037.36-316,572.42-61,280.10

Finding the Fourth Proportional to 211,037.36, 316,572.42 and 61,280.10

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Solution

The fourth proportional to 211,037.36, 316,572.42 and 61,280.10 is: 91,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,037.36 : 316,572.42 = 61,280.10 : x
  2. Step 2: Convert to fraction form
    211,037.36/316,572.42 = 61,280.10/x
  3. Step 3: Cross multiply
    211,037.36x = 316,572.42 × 61,280.10
  4. Step 4: Simplify right side
    211,037.36x = 19,399,589,554.84
  5. Step 5: Solve for x
    x = 19,399,589,554.84/211,037.36
  6. Step 6: Final answer
    x = 91,924.91

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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.