Home / 373,430.24-515,331.38-212,285.30

Finding the Fourth Proportional to 373,430.24, 515,331.38 and 212,285.30

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Solution

The fourth proportional to 373,430.24, 515,331.38 and 212,285.30 is: 292,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,430.24 : 515,331.38 = 212,285.30 : x
  2. Step 2: Convert to fraction form
    373,430.24/515,331.38 = 212,285.30/x
  3. Step 3: Cross multiply
    373,430.24x = 515,331.38 × 212,285.30
  4. Step 4: Simplify right side
    373,430.24x = 109,397,277,455.51
  5. Step 5: Solve for x
    x = 109,397,277,455.51/373,430.24
  6. Step 6: Final answer
    x = 292,952.38

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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.