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Finding the Fourth Proportional to 522,100.12, 783,150.86 and 143,024.22

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Solution

The fourth proportional to 522,100.12, 783,150.86 and 143,024.22 is: 214,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,100.12 : 783,150.86 = 143,024.22 : x
  2. Step 2: Convert to fraction form
    522,100.12/783,150.86 = 143,024.22/x
  3. Step 3: Cross multiply
    522,100.12x = 783,150.86 × 143,024.22
  4. Step 4: Simplify right side
    522,100.12x = 112,009,540,178.71
  5. Step 5: Solve for x
    x = 112,009,540,178.71/522,100.12
  6. Step 6: Final answer
    x = 214,536.52

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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.