Finding the Fourth Proportional to 242,313.60, 334,402.62 and 134,876.80
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Solution
The fourth proportional to 242,313.60, 334,402.62 and 134,876.80 is: 186,135.47
Step by Step Solution
- Step 1: Write the proportion equation
242,313.60 : 334,402.62 = 134,876.80 : x - Step 2: Convert to fraction form
242,313.60/334,402.62 = 134,876.80/x - Step 3: Cross multiply
242,313.60x = 334,402.62 × 134,876.80 - Step 4: Simplify right side
242,313.60x = 45,103,155,297.22 - Step 5: Solve for x
x = 45,103,155,297.22/242,313.60 - Step 6: Final answer
x = 186,135.47
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1.5x scale
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.