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Finding the Fourth Proportional to 299,627.13, 413,482.71 and 163,661.06

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Solution

The fourth proportional to 299,627.13, 413,482.71 and 163,661.06 is: 225,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,627.13 : 413,482.71 = 163,661.06 : x
  2. Step 2: Convert to fraction form
    299,627.13/413,482.71 = 163,661.06/x
  3. Step 3: Cross multiply
    299,627.13x = 413,482.71 × 163,661.06
  4. Step 4: Simplify right side
    299,627.13x = 67,671,020,257.71
  5. Step 5: Solve for x
    x = 67,671,020,257.71/299,627.13
  6. Step 6: Final answer
    x = 225,850.77

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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.