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Finding the Fourth Proportional to 540,044.30, 810,063.53 and 220,194.93

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Solution

The fourth proportional to 540,044.30, 810,063.53 and 220,194.93 is: 330,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,044.30 : 810,063.53 = 220,194.93 : x
  2. Step 2: Convert to fraction form
    540,044.30/810,063.53 = 220,194.93/x
  3. Step 3: Cross multiply
    540,044.30x = 810,063.53 × 220,194.93
  4. Step 4: Simplify right side
    540,044.30x = 178,371,881,182.93
  5. Step 5: Solve for x
    x = 178,371,881,182.93/540,044.30
  6. Step 6: Final answer
    x = 330,291.21

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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.