Home / 385,233.48-577,865.34-118,970.28

Finding the Fourth Proportional to 385,233.48, 577,865.34 and 118,970.28

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Solution

The fourth proportional to 385,233.48, 577,865.34 and 118,970.28 is: 178,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,233.48 : 577,865.34 = 118,970.28 : x
  2. Step 2: Convert to fraction form
    385,233.48/577,865.34 = 118,970.28/x
  3. Step 3: Cross multiply
    385,233.48x = 577,865.34 × 118,970.28
  4. Step 4: Simplify right side
    385,233.48x = 68,748,801,302.10
  5. Step 5: Solve for x
    x = 68,748,801,302.10/385,233.48
  6. Step 6: Final answer
    x = 178,460.09

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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.