Home / 222,688.26-306,897.65-158,160.32

Finding the Fourth Proportional to 222,688.26, 306,897.65 and 158,160.32

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Solution

The fourth proportional to 222,688.26, 306,897.65 and 158,160.32 is: 217,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,688.26 : 306,897.65 = 158,160.32 : x
  2. Step 2: Convert to fraction form
    222,688.26/306,897.65 = 158,160.32/x
  3. Step 3: Cross multiply
    222,688.26x = 306,897.65 × 158,160.32
  4. Step 4: Simplify right side
    222,688.26x = 48,539,030,531.25
  5. Step 5: Solve for x
    x = 48,539,030,531.25/222,688.26
  6. Step 6: Final answer
    x = 217,968.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.