Home / 403,215.10-604,822.65-166,435.90

Finding the Fourth Proportional to 403,215.10, 604,822.65 and 166,435.90

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Solution

The fourth proportional to 403,215.10, 604,822.65 and 166,435.90 is: 249,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,215.10 : 604,822.65 = 166,435.90 : x
  2. Step 2: Convert to fraction form
    403,215.10/604,822.65 = 166,435.90/x
  3. Step 3: Cross multiply
    403,215.10x = 604,822.65 × 166,435.90
  4. Step 4: Simplify right side
    403,215.10x = 100,664,202,093.14
  5. Step 5: Solve for x
    x = 100,664,202,093.14/403,215.10
  6. Step 6: Final answer
    x = 249,653.85

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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.