Finding the Fourth Proportional to 242,569.80, 363,854.70 and 207,577.80
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Solution
The fourth proportional to 242,569.80, 363,854.70 and 207,577.80 is: 311,366.70
Step by Step Solution
- Step 1: Write the proportion equation
242,569.80 : 363,854.70 = 207,577.80 : x - Step 2: Convert to fraction form
242,569.80/363,854.70 = 207,577.80/x - Step 3: Cross multiply
242,569.80x = 363,854.70 × 207,577.80 - Step 4: Simplify right side
242,569.80x = 75,528,158,145.66 - Step 5: Solve for x
x = 75,528,158,145.66/242,569.80 - Step 6: Final answer
x = 311,366.70
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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.