Home / 385,857.58-578,983.97-183,682.50

Finding the Fourth Proportional to 385,857.58, 578,983.97 and 183,682.50

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Solution

The fourth proportional to 385,857.58, 578,983.97 and 183,682.50 is: 275,617.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,857.58 : 578,983.97 = 183,682.50 : x
  2. Step 2: Convert to fraction form
    385,857.58/578,983.97 = 183,682.50/x
  3. Step 3: Cross multiply
    385,857.58x = 578,983.97 × 183,682.50
  4. Step 4: Simplify right side
    385,857.58x = 106,349,223,069.53
  5. Step 5: Solve for x
    x = 106,349,223,069.53/385,857.58
  6. Step 6: Final answer
    x = 275,617.81

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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.