Finding the Fourth Proportional to 286,874.67, 395,876.37 and 159,547.53
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Solution
The fourth proportional to 286,874.67, 395,876.37 and 159,547.53 is: 220,169.65
Step by Step Solution
- Step 1: Write the proportion equation
286,874.67 : 395,876.37 = 159,547.53 : x - Step 2: Convert to fraction form
286,874.67/395,876.37 = 159,547.53/x - Step 3: Cross multiply
286,874.67x = 395,876.37 × 159,547.53 - Step 4: Simplify right side
286,874.67x = 63,161,097,018.87 - Step 5: Solve for x
x = 63,161,097,018.87/286,874.67 - Step 6: Final answer
x = 220,169.65
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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.