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Finding the Fourth Proportional to 304,513.40, 456,770.10 and 218,892.35

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Solution

The fourth proportional to 304,513.40, 456,770.10 and 218,892.35 is: 328,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,513.40 : 456,770.10 = 218,892.35 : x
  2. Step 2: Convert to fraction form
    304,513.40/456,770.10 = 218,892.35/x
  3. Step 3: Cross multiply
    304,513.40x = 456,770.10 × 218,892.35
  4. Step 4: Simplify right side
    304,513.40x = 99,983,480,598.74
  5. Step 5: Solve for x
    x = 99,983,480,598.74/304,513.40
  6. Step 6: Final answer
    x = 328,338.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.