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Finding the Fourth Proportional to 304,569.69, 420,309.50 and 168,605.91

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Solution

The fourth proportional to 304,569.69, 420,309.50 and 168,605.91 is: 232,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,569.69 : 420,309.50 = 168,605.91 : x
  2. Step 2: Convert to fraction form
    304,569.69/420,309.50 = 168,605.91/x
  3. Step 3: Cross multiply
    304,569.69x = 420,309.50 × 168,605.91
  4. Step 4: Simplify right side
    304,569.69x = 70,866,665,729.15
  5. Step 5: Solve for x
    x = 70,866,665,729.15/304,569.69
  6. Step 6: Final answer
    x = 232,678.00

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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.