Finding the Fourth Proportional to 242,690.27, 334,923.98 and 135,261.05
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Solution
The fourth proportional to 242,690.27, 334,923.98 and 135,261.05 is: 186,666.60
Step by Step Solution
- Step 1: Write the proportion equation
242,690.27 : 334,923.98 = 135,261.05 : x - Step 2: Convert to fraction form
242,690.27/334,923.98 = 135,261.05/x - Step 3: Cross multiply
242,690.27x = 334,923.98 × 135,261.05 - Step 4: Simplify right side
242,690.27x = 45,302,166,854.05 - Step 5: Solve for x
x = 45,302,166,854.05/242,690.27 - Step 6: Final answer
x = 186,666.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.