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Finding the Fourth Proportional to 218,858.68, 302,025.06 and 118,256.68

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Solution

The fourth proportional to 218,858.68, 302,025.06 and 118,256.68 is: 163,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,858.68 : 302,025.06 = 118,256.68 : x
  2. Step 2: Convert to fraction form
    218,858.68/302,025.06 = 118,256.68/x
  3. Step 3: Cross multiply
    218,858.68x = 302,025.06 × 118,256.68
  4. Step 4: Simplify right side
    218,858.68x = 35,716,480,872.40
  5. Step 5: Solve for x
    x = 35,716,480,872.40/218,858.68
  6. Step 6: Final answer
    x = 163,194.26

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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.