Home / 403,774.08-605,747.52-123,312

Finding the Fourth Proportional to 403,774.08, 605,747.52 and 123,312

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Solution

The fourth proportional to 403,774.08, 605,747.52 and 123,312 is: 184,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,774.08 : 605,747.52 = 123,312 : x
  2. Step 2: Convert to fraction form
    403,774.08/605,747.52 = 123,312/x
  3. Step 3: Cross multiply
    403,774.08x = 605,747.52 × 123,312
  4. Step 4: Simplify right side
    403,774.08x = 74,695,938,186.24
  5. Step 5: Solve for x
    x = 74,695,938,186.24/403,774.08
  6. Step 6: Final answer
    x = 184,994.39

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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.