Home / 211,619.78-316,671.81-183,255

Finding the Fourth Proportional to 211,619.78, 316,671.81 and 183,255

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Solution

The fourth proportional to 211,619.78, 316,671.81 and 183,255 is: 274,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,619.78 : 316,671.81 = 183,255 : x
  2. Step 2: Convert to fraction form
    211,619.78/316,671.81 = 183,255/x
  3. Step 3: Cross multiply
    211,619.78x = 316,671.81 × 183,255
  4. Step 4: Simplify right side
    211,619.78x = 58,031,692,541.55
  5. Step 5: Solve for x
    x = 58,031,692,541.55/211,619.78
  6. Step 6: Final answer
    x = 274,226.22

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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.