Home / 492,795.51-739,273.14-193,113.60

Finding the Fourth Proportional to 492,795.51, 739,273.14 and 193,113.60

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Solution

The fourth proportional to 492,795.51, 739,273.14 and 193,113.60 is: 289,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,795.51 : 739,273.14 = 193,113.60 : x
  2. Step 2: Convert to fraction form
    492,795.51/739,273.14 = 193,113.60/x
  3. Step 3: Cross multiply
    492,795.51x = 739,273.14 × 193,113.60
  4. Step 4: Simplify right side
    492,795.51x = 142,763,697,448.70
  5. Step 5: Solve for x
    x = 142,763,697,448.70/492,795.51
  6. Step 6: Final answer
    x = 289,701.70

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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.