Home / 403,418.04-605,192.72-119,137.34

Finding the Fourth Proportional to 403,418.04, 605,192.72 and 119,137.34

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Solution

The fourth proportional to 403,418.04, 605,192.72 and 119,137.34 is: 178,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,418.04 : 605,192.72 = 119,137.34 : x
  2. Step 2: Convert to fraction form
    403,418.04/605,192.72 = 119,137.34/x
  3. Step 3: Cross multiply
    403,418.04x = 605,192.72 × 119,137.34
  4. Step 4: Simplify right side
    403,418.04x = 72,101,050,848.16
  5. Step 5: Solve for x
    x = 72,101,050,848.16/403,418.04
  6. Step 6: Final answer
    x = 178,725.40

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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.