Home / 385,451.37-577,335.06-160,128.63

Finding the Fourth Proportional to 385,451.37, 577,335.06 and 160,128.63

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Solution

The fourth proportional to 385,451.37, 577,335.06 and 160,128.63 is: 239,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,451.37 : 577,335.06 = 160,128.63 : x
  2. Step 2: Convert to fraction form
    385,451.37/577,335.06 = 160,128.63/x
  3. Step 3: Cross multiply
    385,451.37x = 577,335.06 × 160,128.63
  4. Step 4: Simplify right side
    385,451.37x = 92,447,872,208.77
  5. Step 5: Solve for x
    x = 92,447,872,208.77/385,451.37
  6. Step 6: Final answer
    x = 239,843.15

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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.