Home / 345,913.60-519,089.10-203,758.60

Finding the Fourth Proportional to 345,913.60, 519,089.10 and 203,758.60

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Solution

The fourth proportional to 345,913.60, 519,089.10 and 203,758.60 is: 305,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,913.60 : 519,089.10 = 203,758.60 : x
  2. Step 2: Convert to fraction form
    345,913.60/519,089.10 = 203,758.60/x
  3. Step 3: Cross multiply
    345,913.60x = 519,089.10 × 203,758.60
  4. Step 4: Simplify right side
    345,913.60x = 105,768,868,291.26
  5. Step 5: Solve for x
    x = 105,768,868,291.26/345,913.60
  6. Step 6: Final answer
    x = 305,766.72

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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.