Home / 385,104.03-577,656.13-145,152.93

Finding the Fourth Proportional to 385,104.03, 577,656.13 and 145,152.93

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Solution

The fourth proportional to 385,104.03, 577,656.13 and 145,152.93 is: 217,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,104.03 : 577,656.13 = 145,152.93 : x
  2. Step 2: Convert to fraction form
    385,104.03/577,656.13 = 145,152.93/x
  3. Step 3: Cross multiply
    385,104.03x = 577,656.13 × 145,152.93
  4. Step 4: Simplify right side
    385,104.03x = 83,848,479,801.96
  5. Step 5: Solve for x
    x = 83,848,479,801.96/385,104.03
  6. Step 6: Final answer
    x = 217,729.43

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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.