Home / 304,836.08-420,688.64-183,975.16

Finding the Fourth Proportional to 304,836.08, 420,688.64 and 183,975.16

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Solution

The fourth proportional to 304,836.08, 420,688.64 and 183,975.16 is: 253,894.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,836.08 : 420,688.64 = 183,975.16 : x
  2. Step 2: Convert to fraction form
    304,836.08/420,688.64 = 183,975.16/x
  3. Step 3: Cross multiply
    304,836.08x = 420,688.64 × 183,975.16
  4. Step 4: Simplify right side
    304,836.08x = 77,396,259,854.18
  5. Step 5: Solve for x
    x = 77,396,259,854.18/304,836.08
  6. Step 6: Final answer
    x = 253,894.68

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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.