Home / 385,588.08-578,406.62-119,326.23

Finding the Fourth Proportional to 385,588.08, 578,406.62 and 119,326.23

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Solution

The fourth proportional to 385,588.08, 578,406.62 and 119,326.23 is: 178,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,588.08 : 578,406.62 = 119,326.23 : x
  2. Step 2: Convert to fraction form
    385,588.08/578,406.62 = 119,326.23/x
  3. Step 3: Cross multiply
    385,588.08x = 578,406.62 × 119,326.23
  4. Step 4: Simplify right side
    385,588.08x = 69,019,081,669.96
  5. Step 5: Solve for x
    x = 69,019,081,669.96/385,588.08
  6. Step 6: Final answer
    x = 178,996.93

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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.