Home / 373,453.07-515,362.77-212,308.16

Finding the Fourth Proportional to 373,453.07, 515,362.77 and 212,308.16

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Solution

The fourth proportional to 373,453.07, 515,362.77 and 212,308.16 is: 292,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,453.07 : 515,362.77 = 212,308.16 : x
  2. Step 2: Convert to fraction form
    373,453.07/515,362.77 = 212,308.16/x
  3. Step 3: Cross multiply
    373,453.07x = 515,362.77 × 212,308.16
  4. Step 4: Simplify right side
    373,453.07x = 109,415,718,854.39
  5. Step 5: Solve for x
    x = 109,415,718,854.39/373,453.07
  6. Step 6: Final answer
    x = 292,983.86

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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.