Finding the Fourth Proportional to 517,529.80, 776,294.70 and 162,579.70
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Solution
The fourth proportional to 517,529.80, 776,294.70 and 162,579.70 is: 243,869.55
Step by Step Solution
- Step 1: Write the proportion equation
517,529.80 : 776,294.70 = 162,579.70 : x - Step 2: Convert to fraction form
517,529.80/776,294.70 = 162,579.70/x - Step 3: Cross multiply
517,529.80x = 776,294.70 × 162,579.70 - Step 4: Simplify right side
517,529.80x = 126,209,759,437.59 - Step 5: Solve for x
x = 126,209,759,437.59/517,529.80 - Step 6: Final answer
x = 243,869.55
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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.