Home / 282,795.95-390,217.79-166,440.23

Finding the Fourth Proportional to 282,795.95, 390,217.79 and 166,440.23

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Solution

The fourth proportional to 282,795.95, 390,217.79 and 166,440.23 is: 229,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,795.95 : 390,217.79 = 166,440.23 : x
  2. Step 2: Convert to fraction form
    282,795.95/390,217.79 = 166,440.23/x
  3. Step 3: Cross multiply
    282,795.95x = 390,217.79 × 166,440.23
  4. Step 4: Simplify right side
    282,795.95x = 64,947,938,717.69
  5. Step 5: Solve for x
    x = 64,947,938,717.69/282,795.95
  6. Step 6: Final answer
    x = 229,663.61

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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.