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Finding the Fourth Proportional to 304,327.51, 419,984.40 and 168,359.16

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Solution

The fourth proportional to 304,327.51, 419,984.40 and 168,359.16 is: 232,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,327.51 : 419,984.40 = 168,359.16 : x
  2. Step 2: Convert to fraction form
    304,327.51/419,984.40 = 168,359.16/x
  3. Step 3: Cross multiply
    304,327.51x = 419,984.40 × 168,359.16
  4. Step 4: Simplify right side
    304,327.51x = 70,708,220,797.10
  5. Step 5: Solve for x
    x = 70,708,220,797.10/304,327.51
  6. Step 6: Final answer
    x = 232,342.52

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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.