Home / 385,582.77-578,263.10-132,853.05

Finding the Fourth Proportional to 385,582.77, 578,263.10 and 132,853.05

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Solution

The fourth proportional to 385,582.77, 578,263.10 and 132,853.05 is: 199,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,582.77 : 578,263.10 = 132,853.05 : x
  2. Step 2: Convert to fraction form
    385,582.77/578,263.10 = 132,853.05/x
  3. Step 3: Cross multiply
    385,582.77x = 578,263.10 × 132,853.05
  4. Step 4: Simplify right side
    385,582.77x = 76,824,015,873.19
  5. Step 5: Solve for x
    x = 76,824,015,873.19/385,582.77
  6. Step 6: Final answer
    x = 199,241.31

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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.