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Finding the Fourth Proportional to 328,804.62, 453,337.29 and 268,313.82

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Solution

The fourth proportional to 328,804.62, 453,337.29 and 268,313.82 is: 369,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,804.62 : 453,337.29 = 268,313.82 : x
  2. Step 2: Convert to fraction form
    328,804.62/453,337.29 = 268,313.82/x
  3. Step 3: Cross multiply
    328,804.62x = 453,337.29 × 268,313.82
  4. Step 4: Simplify right side
    328,804.62x = 121,636,660,028.35
  5. Step 5: Solve for x
    x = 121,636,660,028.35/328,804.62
  6. Step 6: Final answer
    x = 369,935.98

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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.