Finding the Fourth Proportional to 517,501.80, 776,252.70 and 162,551.70
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Solution
The fourth proportional to 517,501.80, 776,252.70 and 162,551.70 is: 243,827.55
Step by Step Solution
- Step 1: Write the proportion equation
517,501.80 : 776,252.70 = 162,551.70 : x - Step 2: Convert to fraction form
517,501.80/776,252.70 = 162,551.70/x - Step 3: Cross multiply
517,501.80x = 776,252.70 × 162,551.70 - Step 4: Simplify right side
517,501.80x = 126,181,196,014.59 - Step 5: Solve for x
x = 126,181,196,014.59/517,501.80 - Step 6: Final answer
x = 243,827.55
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Similar ratio
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1.5x scale
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.