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Finding the Fourth Proportional to 432,532.36, 648,798.54 and 222,053.32

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Solution

The fourth proportional to 432,532.36, 648,798.54 and 222,053.32 is: 333,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,532.36 : 648,798.54 = 222,053.32 : x
  2. Step 2: Convert to fraction form
    432,532.36/648,798.54 = 222,053.32/x
  3. Step 3: Cross multiply
    432,532.36x = 648,798.54 × 222,053.32
  4. Step 4: Simplify right side
    432,532.36x = 144,067,869,818.15
  5. Step 5: Solve for x
    x = 144,067,869,818.15/432,532.36
  6. Step 6: Final answer
    x = 333,079.98

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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.