Home / 270,225.45-405,338.04-70,544.12

Finding the Fourth Proportional to 270,225.45, 405,338.04 and 70,544.12

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Solution

The fourth proportional to 270,225.45, 405,338.04 and 70,544.12 is: 105,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,225.45 : 405,338.04 = 70,544.12 : x
  2. Step 2: Convert to fraction form
    270,225.45/405,338.04 = 70,544.12/x
  3. Step 3: Cross multiply
    270,225.45x = 405,338.04 × 70,544.12
  4. Step 4: Simplify right side
    270,225.45x = 28,594,213,307.63
  5. Step 5: Solve for x
    x = 28,594,213,307.63/270,225.45
  6. Step 6: Final answer
    x = 105,816.14

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1.5x scale

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.