Home / 358,626.04-494,755.62-213,403

Finding the Fourth Proportional to 358,626.04, 494,755.62 and 213,403

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Solution

The fourth proportional to 358,626.04, 494,755.62 and 213,403 is: 294,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,626.04 : 494,755.62 = 213,403 : x
  2. Step 2: Convert to fraction form
    358,626.04/494,755.62 = 213,403/x
  3. Step 3: Cross multiply
    358,626.04x = 494,755.62 × 213,403
  4. Step 4: Simplify right side
    358,626.04x = 105,582,333,574.86
  5. Step 5: Solve for x
    x = 105,582,333,574.86/358,626.04
  6. Step 6: Final answer
    x = 294,407.88

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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.