Finding the Fourth Proportional to 511,655.48, 767,480.15 and 132,575.26
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Solution
The fourth proportional to 511,655.48, 767,480.15 and 132,575.26 is: 198,862.09
Step by Step Solution
- Step 1: Write the proportion equation
511,655.48 : 767,480.15 = 132,575.26 : x - Step 2: Convert to fraction form
511,655.48/767,480.15 = 132,575.26/x - Step 3: Cross multiply
511,655.48x = 767,480.15 × 132,575.26 - Step 4: Simplify right side
511,655.48x = 101,748,877,937.88 - Step 5: Solve for x
x = 101,748,877,937.88/511,655.48 - Step 6: Final answer
x = 198,862.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.