Home / 385,160.28-577,623.78-104,641.08

Finding the Fourth Proportional to 385,160.28, 577,623.78 and 104,641.08

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Solution

The fourth proportional to 385,160.28, 577,623.78 and 104,641.08 is: 156,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,160.28 : 577,623.78 = 104,641.08 : x
  2. Step 2: Convert to fraction form
    385,160.28/577,623.78 = 104,641.08/x
  3. Step 3: Cross multiply
    385,160.28x = 577,623.78 × 104,641.08
  4. Step 4: Simplify right side
    385,160.28x = 60,443,176,172.88
  5. Step 5: Solve for x
    x = 60,443,176,172.88/385,160.28
  6. Step 6: Final answer
    x = 156,929.93

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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.