Finding the Fourth Proportional to 286,269.36, 395,044.20 and 158,941.68
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Solution
The fourth proportional to 286,269.36, 395,044.20 and 158,941.68 is: 219,335.34
Step by Step Solution
- Step 1: Write the proportion equation
286,269.36 : 395,044.20 = 158,941.68 : x - Step 2: Convert to fraction form
286,269.36/395,044.20 = 158,941.68/x - Step 3: Cross multiply
286,269.36x = 395,044.20 × 158,941.68 - Step 4: Simplify right side
286,269.36x = 62,788,988,822.26 - Step 5: Solve for x
x = 62,788,988,822.26/286,269.36 - Step 6: Final answer
x = 219,335.34
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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.