Home / 385,231.48-577,862.34-118,968.28

Finding the Fourth Proportional to 385,231.48, 577,862.34 and 118,968.28

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Solution

The fourth proportional to 385,231.48, 577,862.34 and 118,968.28 is: 178,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,231.48 : 577,862.34 = 118,968.28 : x
  2. Step 2: Convert to fraction form
    385,231.48/577,862.34 = 118,968.28/x
  3. Step 3: Cross multiply
    385,231.48x = 577,862.34 × 118,968.28
  4. Step 4: Simplify right side
    385,231.48x = 68,747,288,666.58
  5. Step 5: Solve for x
    x = 68,747,288,666.58/385,231.48
  6. Step 6: Final answer
    x = 178,457.09

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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.