Finding the Fourth Proportional to 242,969.60, 364,565.18 and 124,724.05
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Solution
The fourth proportional to 242,969.60, 364,565.18 and 124,724.05 is: 187,142.94
Step by Step Solution
- Step 1: Write the proportion equation
242,969.60 : 364,565.18 = 124,724.05 : x - Step 2: Convert to fraction form
242,969.60/364,565.18 = 124,724.05/x - Step 3: Cross multiply
242,969.60x = 364,565.18 × 124,724.05 - Step 4: Simplify right side
242,969.60x = 45,470,045,138.98 - Step 5: Solve for x
x = 45,470,045,138.98/242,969.60 - Step 6: Final answer
x = 187,142.94
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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.