Home / 358,632.04-494,763.90-213,409

Finding the Fourth Proportional to 358,632.04, 494,763.90 and 213,409

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Solution

The fourth proportional to 358,632.04, 494,763.90 and 213,409 is: 294,416.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,632.04 : 494,763.90 = 213,409 : x
  2. Step 2: Convert to fraction form
    358,632.04/494,763.90 = 213,409/x
  3. Step 3: Cross multiply
    358,632.04x = 494,763.90 × 213,409
  4. Step 4: Simplify right side
    358,632.04x = 105,587,069,135.10
  5. Step 5: Solve for x
    x = 105,587,069,135.10/358,632.04
  6. Step 6: Final answer
    x = 294,416.16

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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.