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Finding the Fourth Proportional to 304,663.70, 420,440.33 and 168,697.39

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Solution

The fourth proportional to 304,663.70, 420,440.33 and 168,697.39 is: 232,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,663.70 : 420,440.33 = 168,697.39 : x
  2. Step 2: Convert to fraction form
    304,663.70/420,440.33 = 168,697.39/x
  3. Step 3: Cross multiply
    304,663.70x = 420,440.33 × 168,697.39
  4. Step 4: Simplify right side
    304,663.70x = 70,927,185,692.38
  5. Step 5: Solve for x
    x = 70,927,185,692.38/304,663.70
  6. Step 6: Final answer
    x = 232,804.84

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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.