Finding the Fourth Proportional to 236,961.42, 327,029.12 and 129,547.32
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Solution
The fourth proportional to 236,961.42, 327,029.12 and 129,547.32 is: 178,787.53
Step by Step Solution
- Step 1: Write the proportion equation
236,961.42 : 327,029.12 = 129,547.32 : x - Step 2: Convert to fraction form
236,961.42/327,029.12 = 129,547.32/x - Step 3: Cross multiply
236,961.42x = 327,029.12 × 129,547.32 - Step 4: Simplify right side
236,961.42x = 42,365,746,057.96 - Step 5: Solve for x
x = 42,365,746,057.96/236,961.42 - Step 6: Final answer
x = 178,787.53
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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.