Home / 385,455.14-577,936.06-185,377.04

Finding the Fourth Proportional to 385,455.14, 577,936.06 and 185,377.04

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Solution

The fourth proportional to 385,455.14, 577,936.06 and 185,377.04 is: 277,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,455.14 : 577,936.06 = 185,377.04 : x
  2. Step 2: Convert to fraction form
    385,455.14/577,936.06 = 185,377.04/x
  3. Step 3: Cross multiply
    385,455.14x = 577,936.06 × 185,377.04
  4. Step 4: Simplify right side
    385,455.14x = 107,136,076,112.06
  5. Step 5: Solve for x
    x = 107,136,076,112.06/385,455.14
  6. Step 6: Final answer
    x = 277,946.94

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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.