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Finding the Fourth Proportional to 444,596.16, 666,963.52 and 145,007.04

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Solution

The fourth proportional to 444,596.16, 666,963.52 and 145,007.04 is: 217,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,596.16 : 666,963.52 = 145,007.04 : x
  2. Step 2: Convert to fraction form
    444,596.16/666,963.52 = 145,007.04/x
  3. Step 3: Cross multiply
    444,596.16x = 666,963.52 × 145,007.04
  4. Step 4: Simplify right side
    444,596.16x = 96,714,405,823.18
  5. Step 5: Solve for x
    x = 96,714,405,823.18/444,596.16
  6. Step 6: Final answer
    x = 217,533.16

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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.