Home / 358,292.06-494,386.61-205,300.81

Finding the Fourth Proportional to 358,292.06, 494,386.61 and 205,300.81

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Solution

The fourth proportional to 358,292.06, 494,386.61 and 205,300.81 is: 283,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,292.06 : 494,386.61 = 205,300.81 : x
  2. Step 2: Convert to fraction form
    358,292.06/494,386.61 = 205,300.81/x
  3. Step 3: Cross multiply
    358,292.06x = 494,386.61 × 205,300.81
  4. Step 4: Simplify right side
    358,292.06x = 101,497,971,077.63
  5. Step 5: Solve for x
    x = 101,497,971,077.63/358,292.06
  6. Step 6: Final answer
    x = 283,282.78

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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.