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Finding the Fourth Proportional to 304,595.76, 420,336.90 and 168,626.82

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Solution

The fourth proportional to 304,595.76, 420,336.90 and 168,626.82 is: 232,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,595.76 : 420,336.90 = 168,626.82 : x
  2. Step 2: Convert to fraction form
    304,595.76/420,336.90 = 168,626.82/x
  3. Step 3: Cross multiply
    304,595.76x = 420,336.90 × 168,626.82
  4. Step 4: Simplify right side
    304,595.76x = 70,880,074,775.66
  5. Step 5: Solve for x
    x = 70,880,074,775.66/304,595.76
  6. Step 6: Final answer
    x = 232,702.11

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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.