Home / 375,203.72-517,733.70-298,916.30

Finding the Fourth Proportional to 375,203.72, 517,733.70 and 298,916.30

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Solution

The fourth proportional to 375,203.72, 517,733.70 and 298,916.30 is: 412,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,203.72 : 517,733.70 = 298,916.30 : x
  2. Step 2: Convert to fraction form
    375,203.72/517,733.70 = 298,916.30/x
  3. Step 3: Cross multiply
    375,203.72x = 517,733.70 × 298,916.30
  4. Step 4: Simplify right side
    375,203.72x = 154,759,041,989.31
  5. Step 5: Solve for x
    x = 154,759,041,989.31/375,203.72
  6. Step 6: Final answer
    x = 412,466.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.