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Finding the Fourth Proportional to 215,398.94, 322,394.04 and 158,457.69

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Solution

The fourth proportional to 215,398.94, 322,394.04 and 158,457.69 is: 237,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,398.94 : 322,394.04 = 158,457.69 : x
  2. Step 2: Convert to fraction form
    215,398.94/322,394.04 = 158,457.69/x
  3. Step 3: Cross multiply
    215,398.94x = 322,394.04 × 158,457.69
  4. Step 4: Simplify right side
    215,398.94x = 51,085,814,848.17
  5. Step 5: Solve for x
    x = 51,085,814,848.17/215,398.94
  6. Step 6: Final answer
    x = 237,168.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.