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Finding the Fourth Proportional to 450,160.32, 621,152.22 and 259,136.79

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Solution

The fourth proportional to 450,160.32, 621,152.22 and 259,136.79 is: 357,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,160.32 : 621,152.22 = 259,136.79 : x
  2. Step 2: Convert to fraction form
    450,160.32/621,152.22 = 259,136.79/x
  3. Step 3: Cross multiply
    450,160.32x = 621,152.22 × 259,136.79
  4. Step 4: Simplify right side
    450,160.32x = 160,963,392,392.17
  5. Step 5: Solve for x
    x = 160,963,392,392.17/450,160.32
  6. Step 6: Final answer
    x = 357,569.04

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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.