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Finding the Fourth Proportional to 540,344.90, 810,425.09 and 180,465.95

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Solution

The fourth proportional to 540,344.90, 810,425.09 and 180,465.95 is: 270,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,344.90 : 810,425.09 = 180,465.95 : x
  2. Step 2: Convert to fraction form
    540,344.90/810,425.09 = 180,465.95/x
  3. Step 3: Cross multiply
    540,344.90x = 810,425.09 × 180,465.95
  4. Step 4: Simplify right side
    540,344.90x = 146,254,128,816.23
  5. Step 5: Solve for x
    x = 146,254,128,816.23/540,344.90
  6. Step 6: Final answer
    x = 270,668.11

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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.