Home / 282,760.02-390,208.86-161,941.37

Finding the Fourth Proportional to 282,760.02, 390,208.86 and 161,941.37

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Solution

The fourth proportional to 282,760.02, 390,208.86 and 161,941.37 is: 223,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,760.02 : 390,208.86 = 161,941.37 : x
  2. Step 2: Convert to fraction form
    282,760.02/390,208.86 = 161,941.37/x
  3. Step 3: Cross multiply
    282,760.02x = 390,208.86 × 161,941.37
  4. Step 4: Simplify right side
    282,760.02x = 63,190,955,423.49
  5. Step 5: Solve for x
    x = 63,190,955,423.49/282,760.02
  6. Step 6: Final answer
    x = 223,479.10

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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.