Home / 282,384.55-423,582.29-111,601.72

Finding the Fourth Proportional to 282,384.55, 423,582.29 and 111,601.72

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Solution

The fourth proportional to 282,384.55, 423,582.29 and 111,601.72 is: 167,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,384.55 : 423,582.29 = 111,601.72 : x
  2. Step 2: Convert to fraction form
    282,384.55/423,582.29 = 111,601.72/x
  3. Step 3: Cross multiply
    282,384.55x = 423,582.29 × 111,601.72
  4. Step 4: Simplify right side
    282,384.55x = 47,272,512,125.54
  5. Step 5: Solve for x
    x = 47,272,512,125.54/282,384.55
  6. Step 6: Final answer
    x = 167,404.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.