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Finding the Fourth Proportional to 358,048.92, 536,752.62 and 147,552.60

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Solution

The fourth proportional to 358,048.92, 536,752.62 and 147,552.60 is: 221,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,048.92 : 536,752.62 = 147,552.60 : x
  2. Step 2: Convert to fraction form
    358,048.92/536,752.62 = 147,552.60/x
  3. Step 3: Cross multiply
    358,048.92x = 536,752.62 × 147,552.60
  4. Step 4: Simplify right side
    358,048.92x = 79,199,244,637.81
  5. Step 5: Solve for x
    x = 79,199,244,637.81/358,048.92
  6. Step 6: Final answer
    x = 221,196.71

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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.