Home / 282,820.69-390,269.32-166,515.67

Finding the Fourth Proportional to 282,820.69, 390,269.32 and 166,515.67

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Solution

The fourth proportional to 282,820.69, 390,269.32 and 166,515.67 is: 229,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,820.69 : 390,269.32 = 166,515.67 : x
  2. Step 2: Convert to fraction form
    282,820.69/390,269.32 = 166,515.67/x
  3. Step 3: Cross multiply
    282,820.69x = 390,269.32 × 166,515.67
  4. Step 4: Simplify right side
    282,820.69x = 64,985,957,300.24
  5. Step 5: Solve for x
    x = 64,985,957,300.24/282,820.69
  6. Step 6: Final answer
    x = 229,777.95

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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.