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Finding the Fourth Proportional to 304,521.32, 420,228.71 and 168,555.53

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Solution

The fourth proportional to 304,521.32, 420,228.71 and 168,555.53 is: 232,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,521.32 : 420,228.71 = 168,555.53 : x
  2. Step 2: Convert to fraction form
    304,521.32/420,228.71 = 168,555.53/x
  3. Step 3: Cross multiply
    304,521.32x = 420,228.71 × 168,555.53
  4. Step 4: Simplify right side
    304,521.32x = 70,831,873,775.14
  5. Step 5: Solve for x
    x = 70,831,873,775.14/304,521.32
  6. Step 6: Final answer
    x = 232,600.70

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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.