Home / 385,256.20-577,884.30-245,633.80

Finding the Fourth Proportional to 385,256.20, 577,884.30 and 245,633.80

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Solution

The fourth proportional to 385,256.20, 577,884.30 and 245,633.80 is: 368,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,256.20 : 577,884.30 = 245,633.80 : x
  2. Step 2: Convert to fraction form
    385,256.20/577,884.30 = 245,633.80/x
  3. Step 3: Cross multiply
    385,256.20x = 577,884.30 × 245,633.80
  4. Step 4: Simplify right side
    385,256.20x = 141,947,916,569.34
  5. Step 5: Solve for x
    x = 141,947,916,569.34/385,256.20
  6. Step 6: Final answer
    x = 368,450.70

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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.