Home / 385,723.86-578,678.16-160,959.27

Finding the Fourth Proportional to 385,723.86, 578,678.16 and 160,959.27

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Solution

The fourth proportional to 385,723.86, 578,678.16 and 160,959.27 is: 241,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,723.86 : 578,678.16 = 160,959.27 : x
  2. Step 2: Convert to fraction form
    385,723.86/578,678.16 = 160,959.27/x
  3. Step 3: Cross multiply
    385,723.86x = 578,678.16 × 160,959.27
  4. Step 4: Simplify right side
    385,723.86x = 93,143,614,198.54
  5. Step 5: Solve for x
    x = 93,143,614,198.54/385,723.86
  6. Step 6: Final answer
    x = 241,477.45

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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.