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Finding the Fourth Proportional to 539,009.80, 808,806.30 and 223,498.60

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Solution

The fourth proportional to 539,009.80, 808,806.30 and 223,498.60 is: 335,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009.80 : 808,806.30 = 223,498.60 : x
  2. Step 2: Convert to fraction form
    539,009.80/808,806.30 = 223,498.60/x
  3. Step 3: Cross multiply
    539,009.80x = 808,806.30 × 223,498.60
  4. Step 4: Simplify right side
    539,009.80x = 180,767,075,721.18
  5. Step 5: Solve for x
    x = 180,767,075,721.18/539,009.80
  6. Step 6: Final answer
    x = 335,368.81

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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.