Finding the Fourth Proportional to 498,539.80, 747,809.70 and 166,115.80
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Solution
The fourth proportional to 498,539.80, 747,809.70 and 166,115.80 is: 249,173.70
Step by Step Solution
- Step 1: Write the proportion equation
498,539.80 : 747,809.70 = 166,115.80 : x - Step 2: Convert to fraction form
498,539.80/747,809.70 = 166,115.80/x - Step 3: Cross multiply
498,539.80x = 747,809.70 × 166,115.80 - Step 4: Simplify right side
498,539.80x = 124,223,006,563.26 - Step 5: Solve for x
x = 124,223,006,563.26/498,539.80 - Step 6: Final answer
x = 249,173.70
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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.