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Finding the Fourth Proportional to 539,238.90, 808,210.35 and 223,533.30

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Solution

The fourth proportional to 539,238.90, 808,210.35 and 223,533.30 is: 335,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,238.90 : 808,210.35 = 223,533.30 : x
  2. Step 2: Convert to fraction form
    539,238.90/808,210.35 = 223,533.30/x
  3. Step 3: Cross multiply
    539,238.90x = 808,210.35 × 223,533.30
  4. Step 4: Simplify right side
    539,238.90x = 180,661,926,629.66
  5. Step 5: Solve for x
    x = 180,661,926,629.66/539,238.90
  6. Step 6: Final answer
    x = 335,031.33

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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.