Home / 389,415.48-583,909.02-175,932.60

Finding the Fourth Proportional to 389,415.48, 583,909.02 and 175,932.60

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Solution

The fourth proportional to 389,415.48, 583,909.02 and 175,932.60 is: 263,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,415.48 : 583,909.02 = 175,932.60 : x
  2. Step 2: Convert to fraction form
    389,415.48/583,909.02 = 175,932.60/x
  3. Step 3: Cross multiply
    389,415.48x = 583,909.02 × 175,932.60
  4. Step 4: Simplify right side
    389,415.48x = 102,728,632,052.05
  5. Step 5: Solve for x
    x = 102,728,632,052.05/389,415.48
  6. Step 6: Final answer
    x = 263,802.13

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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.