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Finding the Fourth Proportional to 326,335.60, 489,114.60 and 136,795.60

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Solution

The fourth proportional to 326,335.60, 489,114.60 and 136,795.60 is: 205,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,335.60 : 489,114.60 = 136,795.60 : x
  2. Step 2: Convert to fraction form
    326,335.60/489,114.60 = 136,795.60/x
  3. Step 3: Cross multiply
    326,335.60x = 489,114.60 × 136,795.60
  4. Step 4: Simplify right side
    326,335.60x = 66,908,725,175.76
  5. Step 5: Solve for x
    x = 66,908,725,175.76/326,335.60
  6. Step 6: Final answer
    x = 205,030.42

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1.5x scale

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.