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Finding the Fourth Proportional to 313,637.95, 432,818.04 and 170,399.17

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Solution

The fourth proportional to 313,637.95, 432,818.04 and 170,399.17 is: 235,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,637.95 : 432,818.04 = 170,399.17 : x
  2. Step 2: Convert to fraction form
    313,637.95/432,818.04 = 170,399.17/x
  3. Step 3: Cross multiply
    313,637.95x = 432,818.04 × 170,399.17
  4. Step 4: Simplify right side
    313,637.95x = 73,751,834,777.03
  5. Step 5: Solve for x
    x = 73,751,834,777.03/313,637.95
  6. Step 6: Final answer
    x = 235,149.59

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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.