Home / 385,110.29-577,443.08-118,799.30

Finding the Fourth Proportional to 385,110.29, 577,443.08 and 118,799.30

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Solution

The fourth proportional to 385,110.29, 577,443.08 and 118,799.30 is: 178,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,110.29 : 577,443.08 = 118,799.30 : x
  2. Step 2: Convert to fraction form
    385,110.29/577,443.08 = 118,799.30/x
  3. Step 3: Cross multiply
    385,110.29x = 577,443.08 × 118,799.30
  4. Step 4: Simplify right side
    385,110.29x = 68,599,833,693.84
  5. Step 5: Solve for x
    x = 68,599,833,693.84/385,110.29
  6. Step 6: Final answer
    x = 178,130.36

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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.