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Finding the Fourth Proportional to 303,059.16, 418,215.06 and 175,746.60

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Solution

The fourth proportional to 303,059.16, 418,215.06 and 175,746.60 is: 242,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,059.16 : 418,215.06 = 175,746.60 : x
  2. Step 2: Convert to fraction form
    303,059.16/418,215.06 = 175,746.60/x
  3. Step 3: Cross multiply
    303,059.16x = 418,215.06 × 175,746.60
  4. Step 4: Simplify right side
    303,059.16x = 73,499,874,863.80
  5. Step 5: Solve for x
    x = 73,499,874,863.80/303,059.16
  6. Step 6: Final answer
    x = 242,526.49

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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.