Home / 294,878.12-442,273.62-145,078.16

Finding the Fourth Proportional to 294,878.12, 442,273.62 and 145,078.16

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Solution

The fourth proportional to 294,878.12, 442,273.62 and 145,078.16 is: 217,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,878.12 : 442,273.62 = 145,078.16 : x
  2. Step 2: Convert to fraction form
    294,878.12/442,273.62 = 145,078.16/x
  3. Step 3: Cross multiply
    294,878.12x = 442,273.62 × 145,078.16
  4. Step 4: Simplify right side
    294,878.12x = 64,164,243,006.14
  5. Step 5: Solve for x
    x = 64,164,243,006.14/294,878.12
  6. Step 6: Final answer
    x = 217,595.81

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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.