Finding the Fourth Proportional to 498,549.80, 747,824.70 and 166,125.80
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Solution
The fourth proportional to 498,549.80, 747,824.70 and 166,125.80 is: 249,188.70
Step by Step Solution
- Step 1: Write the proportion equation
498,549.80 : 747,824.70 = 166,125.80 : x - Step 2: Convert to fraction form
498,549.80/747,824.70 = 166,125.80/x - Step 3: Cross multiply
498,549.80x = 747,824.70 × 166,125.80 - Step 4: Simplify right side
498,549.80x = 124,232,976,547.26 - Step 5: Solve for x
x = 124,232,976,547.26/498,549.80 - Step 6: Final answer
x = 249,188.70
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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.