Home / 282,820.37-390,269.03-166,515.48

Finding the Fourth Proportional to 282,820.37, 390,269.03 and 166,515.48

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Solution

The fourth proportional to 282,820.37, 390,269.03 and 166,515.48 is: 229,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,820.37 : 390,269.03 = 166,515.48 : x
  2. Step 2: Convert to fraction form
    282,820.37/390,269.03 = 166,515.48/x
  3. Step 3: Cross multiply
    282,820.37x = 390,269.03 × 166,515.48
  4. Step 4: Simplify right side
    282,820.37x = 64,985,834,027.01
  5. Step 5: Solve for x
    x = 64,985,834,027.01/282,820.37
  6. Step 6: Final answer
    x = 229,777.77

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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.