Finding the Fourth Proportional to 519,062.18, 778,315.64 and 266,239.31
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Solution
The fourth proportional to 519,062.18, 778,315.64 and 266,239.31 is: 399,216.56
Step by Step Solution
- Step 1: Write the proportion equation
519,062.18 : 778,315.64 = 266,239.31 : x - Step 2: Convert to fraction form
519,062.18/778,315.64 = 266,239.31/x - Step 3: Cross multiply
519,062.18x = 778,315.64 × 266,239.31 - Step 4: Simplify right side
519,062.18x = 207,218,213,733.03 - Step 5: Solve for x
x = 207,218,213,733.03/519,062.18 - Step 6: Final answer
x = 399,216.56
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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.