Home / 385,461.40-577,945.44-185,383.30

Finding the Fourth Proportional to 385,461.40, 577,945.44 and 185,383.30

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Solution

The fourth proportional to 385,461.40, 577,945.44 and 185,383.30 is: 277,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,461.40 : 577,945.44 = 185,383.30 : x
  2. Step 2: Convert to fraction form
    385,461.40/577,945.44 = 185,383.30/x
  3. Step 3: Cross multiply
    385,461.40x = 577,945.44 × 185,383.30
  4. Step 4: Simplify right side
    385,461.40x = 107,141,432,887.15
  5. Step 5: Solve for x
    x = 107,141,432,887.15/385,461.40
  6. Step 6: Final answer
    x = 277,956.32

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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.