Home / 358,568.22-537,680.78-208,851.21

Finding the Fourth Proportional to 358,568.22, 537,680.78 and 208,851.21

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Solution

The fourth proportional to 358,568.22, 537,680.78 and 208,851.21 is: 313,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568.22 : 537,680.78 = 208,851.21 : x
  2. Step 2: Convert to fraction form
    358,568.22/537,680.78 = 208,851.21/x
  3. Step 3: Cross multiply
    358,568.22x = 537,680.78 × 208,851.21
  4. Step 4: Simplify right side
    358,568.22x = 112,295,281,496.74
  5. Step 5: Solve for x
    x = 112,295,281,496.74/358,568.22
  6. Step 6: Final answer
    x = 313,176.89

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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.