Home / 358,905.29-537,541.86-278,297.33

Finding the Fourth Proportional to 358,905.29, 537,541.86 and 278,297.33

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Solution

The fourth proportional to 358,905.29, 537,541.86 and 278,297.33 is: 416,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,905.29 : 537,541.86 = 278,297.33 : x
  2. Step 2: Convert to fraction form
    358,905.29/537,541.86 = 278,297.33/x
  3. Step 3: Cross multiply
    358,905.29x = 537,541.86 × 278,297.33
  4. Step 4: Simplify right side
    358,905.29x = 149,596,464,401.23
  5. Step 5: Solve for x
    x = 149,596,464,401.23/358,905.29
  6. Step 6: Final answer
    x = 416,813.21

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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.