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Finding the Fourth Proportional to 304,341.66, 420,000.39 and 166,528.86

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Solution

The fourth proportional to 304,341.66, 420,000.39 and 166,528.86 is: 229,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,341.66 : 420,000.39 = 166,528.86 : x
  2. Step 2: Convert to fraction form
    304,341.66/420,000.39 = 166,528.86/x
  3. Step 3: Cross multiply
    304,341.66x = 420,000.39 × 166,528.86
  4. Step 4: Simplify right side
    304,341.66x = 69,942,186,146.26
  5. Step 5: Solve for x
    x = 69,942,186,146.26/304,341.66
  6. Step 6: Final answer
    x = 229,814.70

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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.