Home / 314,947.80-434,628.18-171,708.12

Finding the Fourth Proportional to 314,947.80, 434,628.18 and 171,708.12

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Solution

The fourth proportional to 314,947.80, 434,628.18 and 171,708.12 is: 236,957.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,947.80 : 434,628.18 = 171,708.12 : x
  2. Step 2: Convert to fraction form
    314,947.80/434,628.18 = 171,708.12/x
  3. Step 3: Cross multiply
    314,947.80x = 434,628.18 × 171,708.12
  4. Step 4: Simplify right side
    314,947.80x = 74,629,187,686.82
  5. Step 5: Solve for x
    x = 74,629,187,686.82/314,947.80
  6. Step 6: Final answer
    x = 236,957.32

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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.