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Finding the Fourth Proportional to 304,572.15, 420,314.53 and 166,748.76

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Solution

The fourth proportional to 304,572.15, 420,314.53 and 166,748.76 is: 230,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,572.15 : 420,314.53 = 166,748.76 : x
  2. Step 2: Convert to fraction form
    304,572.15/420,314.53 = 166,748.76/x
  3. Step 3: Cross multiply
    304,572.15x = 420,314.53 × 166,748.76
  4. Step 4: Simplify right side
    304,572.15x = 70,086,927,846.79
  5. Step 5: Solve for x
    x = 70,086,927,846.79/304,572.15
  6. Step 6: Final answer
    x = 230,116.01

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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.