Finding the Fourth Proportional to 382,905.97, 528,573.60 and 272,595.71
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Solution
The fourth proportional to 382,905.97, 528,573.60 and 272,595.71 is: 376,298.38
Step by Step Solution
- Step 1: Write the proportion equation
382,905.97 : 528,573.60 = 272,595.71 : x - Step 2: Convert to fraction form
382,905.97/528,573.60 = 272,595.71/x - Step 3: Cross multiply
382,905.97x = 528,573.60 × 272,595.71 - Step 4: Simplify right side
382,905.97x = 144,086,895,779.26 - Step 5: Solve for x
x = 144,086,895,779.26/382,905.97 - Step 6: Final answer
x = 376,298.38
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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.