Home / 304,975.86-420,840.54-175,869.96

Finding the Fourth Proportional to 304,975.86, 420,840.54 and 175,869.96

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Solution

The fourth proportional to 304,975.86, 420,840.54 and 175,869.96 is: 242,685.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,975.86 : 420,840.54 = 175,869.96 : x
  2. Step 2: Convert to fraction form
    304,975.86/420,840.54 = 175,869.96/x
  3. Step 3: Cross multiply
    304,975.86x = 420,840.54 × 175,869.96
  4. Step 4: Simplify right side
    304,975.86x = 74,013,208,936.18
  5. Step 5: Solve for x
    x = 74,013,208,936.18/304,975.86
  6. Step 6: Final answer
    x = 242,685.47

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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.