Finding the Fourth Proportional to 806,157.50, 1,209,237.15 and 207,123.62
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Solution
The fourth proportional to 806,157.50, 1,209,237.15 and 207,123.62 is: 310,685.66
Step by Step Solution
- Step 1: Write the proportion equation
806,157.50 : 1,209,237.15 = 207,123.62 : x - Step 2: Convert to fraction form
806,157.50/1,209,237.15 = 207,123.62/x - Step 3: Cross multiply
806,157.50x = 1,209,237.15 × 207,123.62 - Step 4: Simplify right side
806,157.50x = 250,461,569,900.30 - Step 5: Solve for x
x = 250,461,569,900.30/806,157.50 - Step 6: Final answer
x = 310,685.66
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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.