Home / 358,899.12-537,648.84-308,977.20

Finding the Fourth Proportional to 358,899.12, 537,648.84 and 308,977.20

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Solution

The fourth proportional to 358,899.12, 537,648.84 and 308,977.20 is: 462,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,899.12 : 537,648.84 = 308,977.20 : x
  2. Step 2: Convert to fraction form
    358,899.12/537,648.84 = 308,977.20/x
  3. Step 3: Cross multiply
    358,899.12x = 537,648.84 × 308,977.20
  4. Step 4: Simplify right side
    358,899.12x = 166,121,233,166.45
  5. Step 5: Solve for x
    x = 166,121,233,166.45/358,899.12
  6. Step 6: Final answer
    x = 462,863.31

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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.