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Finding the Fourth Proportional to 450,693.92, 621,957.80 and 246,758.06

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Solution

The fourth proportional to 450,693.92, 621,957.80 and 246,758.06 is: 340,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,693.92 : 621,957.80 = 246,758.06 : x
  2. Step 2: Convert to fraction form
    450,693.92/621,957.80 = 246,758.06/x
  3. Step 3: Cross multiply
    450,693.92x = 621,957.80 × 246,758.06
  4. Step 4: Simplify right side
    450,693.92x = 153,473,098,896.08
  5. Step 5: Solve for x
    x = 153,473,098,896.08/450,693.92
  6. Step 6: Final answer
    x = 340,526.22

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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.