Home / 385,799.04-578,788.32-119,545.44

Finding the Fourth Proportional to 385,799.04, 578,788.32 and 119,545.44

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Solution

The fourth proportional to 385,799.04, 578,788.32 and 119,545.44 is: 179,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,799.04 : 578,788.32 = 119,545.44 : x
  2. Step 2: Convert to fraction form
    385,799.04/578,788.32 = 119,545.44/x
  3. Step 3: Cross multiply
    385,799.04x = 578,788.32 × 119,545.44
  4. Step 4: Simplify right side
    385,799.04x = 69,191,504,381.26
  5. Step 5: Solve for x
    x = 69,191,504,381.26/385,799.04
  6. Step 6: Final answer
    x = 179,345.97

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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.