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Finding the Fourth Proportional to 210,002.48, 289,792.44 and 119,346.32

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Solution

The fourth proportional to 210,002.48, 289,792.44 and 119,346.32 is: 164,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,002.48 : 289,792.44 = 119,346.32 : x
  2. Step 2: Convert to fraction form
    210,002.48/289,792.44 = 119,346.32/x
  3. Step 3: Cross multiply
    210,002.48x = 289,792.44 × 119,346.32
  4. Step 4: Simplify right side
    210,002.48x = 34,585,661,277.82
  5. Step 5: Solve for x
    x = 34,585,661,277.82/210,002.48
  6. Step 6: Final answer
    x = 164,691.68

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1.5x scale

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.