Home / 282,137.02-389,349.10-161,280.94

Finding the Fourth Proportional to 282,137.02, 389,349.10 and 161,280.94

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Solution

The fourth proportional to 282,137.02, 389,349.10 and 161,280.94 is: 222,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,137.02 : 389,349.10 = 161,280.94 : x
  2. Step 2: Convert to fraction form
    282,137.02/389,349.10 = 161,280.94/x
  3. Step 3: Cross multiply
    282,137.02x = 389,349.10 × 161,280.94
  4. Step 4: Simplify right side
    282,137.02x = 62,794,588,836.15
  5. Step 5: Solve for x
    x = 62,794,588,836.15/282,137.02
  6. Step 6: Final answer
    x = 222,567.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.