Home / 389,984.71-584,903.08-190,104.07

Finding the Fourth Proportional to 389,984.71, 584,903.08 and 190,104.07

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Solution

The fourth proportional to 389,984.71, 584,903.08 and 190,104.07 is: 285,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,984.71 : 584,903.08 = 190,104.07 : x
  2. Step 2: Convert to fraction form
    389,984.71/584,903.08 = 190,104.07/x
  3. Step 3: Cross multiply
    389,984.71x = 584,903.08 × 190,104.07
  4. Step 4: Simplify right side
    389,984.71x = 111,192,452,188.50
  5. Step 5: Solve for x
    x = 111,192,452,188.50/389,984.71
  6. Step 6: Final answer
    x = 285,120.03

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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.