Home / 385,455.39-577,936.44-185,377.29

Finding the Fourth Proportional to 385,455.39, 577,936.44 and 185,377.29

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Solution

The fourth proportional to 385,455.39, 577,936.44 and 185,377.29 is: 277,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,455.39 : 577,936.44 = 185,377.29 : x
  2. Step 2: Convert to fraction form
    385,455.39/577,936.44 = 185,377.29/x
  3. Step 3: Cross multiply
    385,455.39x = 577,936.44 × 185,377.29
  4. Step 4: Simplify right side
    385,455.39x = 107,136,291,039.45
  5. Step 5: Solve for x
    x = 107,136,291,039.45/385,455.39
  6. Step 6: Final answer
    x = 277,947.32

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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.