Home / 387,556.75-581,205.78-162,875.31

Finding the Fourth Proportional to 387,556.75, 581,205.78 and 162,875.31

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Solution

The fourth proportional to 387,556.75, 581,205.78 and 162,875.31 is: 244,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,556.75 : 581,205.78 = 162,875.31 : x
  2. Step 2: Convert to fraction form
    387,556.75/581,205.78 = 162,875.31/x
  3. Step 3: Cross multiply
    387,556.75x = 581,205.78 × 162,875.31
  4. Step 4: Simplify right side
    387,556.75x = 94,664,069,411.77
  5. Step 5: Solve for x
    x = 94,664,069,411.77/387,556.75
  6. Step 6: Final answer
    x = 244,258.60

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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.