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Finding the Fourth Proportional to 540,486.93, 810,219.19 and 240,802.32

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Solution

The fourth proportional to 540,486.93, 810,219.19 and 240,802.32 is: 360,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,486.93 : 810,219.19 = 240,802.32 : x
  2. Step 2: Convert to fraction form
    540,486.93/810,219.19 = 240,802.32/x
  3. Step 3: Cross multiply
    540,486.93x = 810,219.19 × 240,802.32
  4. Step 4: Simplify right side
    540,486.93x = 195,102,660,660.52
  5. Step 5: Solve for x
    x = 195,102,660,660.52/540,486.93
  6. Step 6: Final answer
    x = 360,975.72

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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.