Finding the Fourth Proportional to 511,968.24, 767,864.84 and 137,903.76
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Solution
The fourth proportional to 511,968.24, 767,864.84 and 137,903.76 is: 206,832.07
Step by Step Solution
- Step 1: Write the proportion equation
511,968.24 : 767,864.84 = 137,903.76 : x - Step 2: Convert to fraction form
511,968.24/767,864.84 = 137,903.76/x - Step 3: Cross multiply
511,968.24x = 767,864.84 × 137,903.76 - Step 4: Simplify right side
511,968.24x = 105,891,448,607.80 - Step 5: Solve for x
x = 105,891,448,607.80/511,968.24 - Step 6: Final answer
x = 206,832.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.