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Finding the Fourth Proportional to 218,877.56, 302,051.04 and 118,275.56

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Solution

The fourth proportional to 218,877.56, 302,051.04 and 118,275.56 is: 163,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,877.56 : 302,051.04 = 118,275.56 : x
  2. Step 2: Convert to fraction form
    218,877.56/302,051.04 = 118,275.56/x
  3. Step 3: Cross multiply
    218,877.56x = 302,051.04 × 118,275.56
  4. Step 4: Simplify right side
    218,877.56x = 35,725,256,216.18
  5. Step 5: Solve for x
    x = 35,725,256,216.18/218,877.56
  6. Step 6: Final answer
    x = 163,220.28

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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.