Finding the Fourth Proportional to 517,727.40, 776,474.04 and 202,021.80
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Solution
The fourth proportional to 517,727.40, 776,474.04 and 202,021.80 is: 302,987.02
Step by Step Solution
- Step 1: Write the proportion equation
517,727.40 : 776,474.04 = 202,021.80 : x - Step 2: Convert to fraction form
517,727.40/776,474.04 = 202,021.80/x - Step 3: Cross multiply
517,727.40x = 776,474.04 × 202,021.80 - Step 4: Simplify right side
517,727.40x = 156,864,683,214.07 - Step 5: Solve for x
x = 156,864,683,214.07/517,727.40 - Step 6: Final answer
x = 302,987.02
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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.