Home / 282,795.19-390,216.76-166,439.48

Finding the Fourth Proportional to 282,795.19, 390,216.76 and 166,439.48

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Solution

The fourth proportional to 282,795.19, 390,216.76 and 166,439.48 is: 229,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,795.19 : 390,216.76 = 166,439.48 : x
  2. Step 2: Convert to fraction form
    282,795.19/390,216.76 = 166,439.48/x
  3. Step 3: Cross multiply
    282,795.19x = 390,216.76 × 166,439.48
  4. Step 4: Simplify right side
    282,795.19x = 64,947,472,254.50
  5. Step 5: Solve for x
    x = 64,947,472,254.50/282,795.19
  6. Step 6: Final answer
    x = 229,662.58

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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.