Home / 385,169.48-578,315.04-273,442.94

Finding the Fourth Proportional to 385,169.48, 578,315.04 and 273,442.94

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Solution

The fourth proportional to 385,169.48, 578,315.04 and 273,442.94 is: 410,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,169.48 : 578,315.04 = 273,442.94 : x
  2. Step 2: Convert to fraction form
    385,169.48/578,315.04 = 273,442.94/x
  3. Step 3: Cross multiply
    385,169.48x = 578,315.04 × 273,442.94
  4. Step 4: Simplify right side
    385,169.48x = 158,136,164,573.63
  5. Step 5: Solve for x
    x = 158,136,164,573.63/385,169.48
  6. Step 6: Final answer
    x = 410,562.55

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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.