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Finding the Fourth Proportional to 540,095.20, 810,181.20 and 166,117.60

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Solution

The fourth proportional to 540,095.20, 810,181.20 and 166,117.60 is: 249,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,095.20 : 810,181.20 = 166,117.60 : x
  2. Step 2: Convert to fraction form
    540,095.20/810,181.20 = 166,117.60/x
  3. Step 3: Cross multiply
    540,095.20x = 810,181.20 × 166,117.60
  4. Step 4: Simplify right side
    540,095.20x = 134,585,356,509.12
  5. Step 5: Solve for x
    x = 134,585,356,509.12/540,095.20
  6. Step 6: Final answer
    x = 249,188.21

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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.