Home / 912,273.80-1,368,281.10-281,251.40

Finding the Fourth Proportional to 912,273.80, 1,368,281.10 and 281,251.40

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Solution

The fourth proportional to 912,273.80, 1,368,281.10 and 281,251.40 is: 421,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,273.80 : 1,368,281.10 = 281,251.40 : x
  2. Step 2: Convert to fraction form
    912,273.80/1,368,281.10 = 281,251.40/x
  3. Step 3: Cross multiply
    912,273.80x = 1,368,281.10 × 281,251.40
  4. Step 4: Simplify right side
    912,273.80x = 384,830,974,968.54
  5. Step 5: Solve for x
    x = 384,830,974,968.54/912,273.80
  6. Step 6: Final answer
    x = 421,837.14

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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.