Home / 385,203.32-577,701.30-135,852.92

Finding the Fourth Proportional to 385,203.32, 577,701.30 and 135,852.92

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Solution

The fourth proportional to 385,203.32, 577,701.30 and 135,852.92 is: 203,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,203.32 : 577,701.30 = 135,852.92 : x
  2. Step 2: Convert to fraction form
    385,203.32/577,701.30 = 135,852.92/x
  3. Step 3: Cross multiply
    385,203.32x = 577,701.30 × 135,852.92
  4. Step 4: Simplify right side
    385,203.32x = 78,482,408,492.80
  5. Step 5: Solve for x
    x = 78,482,408,492.80/385,203.32
  6. Step 6: Final answer
    x = 203,742.81

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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.