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Finding the Fourth Proportional to 364,746.66, 503,393.10 and 303,384.60

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Solution

The fourth proportional to 364,746.66, 503,393.10 and 303,384.60 is: 418,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,746.66 : 503,393.10 = 303,384.60 : x
  2. Step 2: Convert to fraction form
    364,746.66/503,393.10 = 303,384.60/x
  3. Step 3: Cross multiply
    364,746.66x = 503,393.10 × 303,384.60
  4. Step 4: Simplify right side
    364,746.66x = 152,721,714,286.26
  5. Step 5: Solve for x
    x = 152,721,714,286.26/364,746.66
  6. Step 6: Final answer
    x = 418,706.27

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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.