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Finding the Fourth Proportional to 375,150.39, 517,709.06 and 205,400.31

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Solution

The fourth proportional to 375,150.39, 517,709.06 and 205,400.31 is: 283,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,150.39 : 517,709.06 = 205,400.31 : x
  2. Step 2: Convert to fraction form
    375,150.39/517,709.06 = 205,400.31/x
  3. Step 3: Cross multiply
    375,150.39x = 517,709.06 × 205,400.31
  4. Step 4: Simplify right side
    375,150.39x = 106,337,600,386.81
  5. Step 5: Solve for x
    x = 106,337,600,386.81/375,150.39
  6. Step 6: Final answer
    x = 283,453.26

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1.5x scale

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.