Home / 247,790.72-370,767.54-148,005.20

Finding the Fourth Proportional to 247,790.72, 370,767.54 and 148,005.20

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Solution

The fourth proportional to 247,790.72, 370,767.54 and 148,005.20 is: 221,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,790.72 : 370,767.54 = 148,005.20 : x
  2. Step 2: Convert to fraction form
    247,790.72/370,767.54 = 148,005.20/x
  3. Step 3: Cross multiply
    247,790.72x = 370,767.54 × 148,005.20
  4. Step 4: Simplify right side
    247,790.72x = 54,875,523,911.21
  5. Step 5: Solve for x
    x = 54,875,523,911.21/247,790.72
  6. Step 6: Final answer
    x = 221,459.16

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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.