Home / 451,027.17-622,271.05-307,538.10

Finding the Fourth Proportional to 451,027.17, 622,271.05 and 307,538.10

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Solution

The fourth proportional to 451,027.17, 622,271.05 and 307,538.10 is: 424,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,027.17 : 622,271.05 = 307,538.10 : x
  2. Step 2: Convert to fraction form
    451,027.17/622,271.05 = 307,538.10/x
  3. Step 3: Cross multiply
    451,027.17x = 622,271.05 × 307,538.10
  4. Step 4: Simplify right side
    451,027.17x = 191,372,055,633.16
  5. Step 5: Solve for x
    x = 191,372,055,633.16/451,027.17
  6. Step 6: Final answer
    x = 424,302.72

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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.