Finding the Fourth Proportional to 259,893.58, 358,654.39 and 145,177.06
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Solution
The fourth proportional to 259,893.58, 358,654.39 and 145,177.06 is: 200,345.03
Step by Step Solution
- Step 1: Write the proportion equation
259,893.58 : 358,654.39 = 145,177.06 : x - Step 2: Convert to fraction form
259,893.58/358,654.39 = 145,177.06/x - Step 3: Cross multiply
259,893.58x = 358,654.39 × 145,177.06 - Step 4: Simplify right side
259,893.58x = 52,068,387,377.14 - Step 5: Solve for x
x = 52,068,387,377.14/259,893.58 - Step 6: Final answer
x = 200,345.03
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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.