Home / 369,134.25-509,452.23-208,028.89

Finding the Fourth Proportional to 369,134.25, 509,452.23 and 208,028.89

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Solution

The fourth proportional to 369,134.25, 509,452.23 and 208,028.89 is: 287,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,134.25 : 509,452.23 = 208,028.89 : x
  2. Step 2: Convert to fraction form
    369,134.25/509,452.23 = 208,028.89/x
  3. Step 3: Cross multiply
    369,134.25x = 509,452.23 × 208,028.89
  4. Step 4: Simplify right side
    369,134.25x = 105,980,781,914.93
  5. Step 5: Solve for x
    x = 105,980,781,914.93/369,134.25
  6. Step 6: Final answer
    x = 287,106.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.