Finding the Fourth Proportional to 242,220.58, 334,261.99 and 134,788.76
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Solution
The fourth proportional to 242,220.58, 334,261.99 and 134,788.76 is: 186,007.15
Step by Step Solution
- Step 1: Write the proportion equation
242,220.58 : 334,261.99 = 134,788.76 : x - Step 2: Convert to fraction form
242,220.58/334,261.99 = 134,788.76/x - Step 3: Cross multiply
242,220.58x = 334,261.99 × 134,788.76 - Step 4: Simplify right side
242,220.58x = 45,054,758,897.89 - Step 5: Solve for x
x = 45,054,758,897.89/242,220.58 - Step 6: Final answer
x = 186,007.15
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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.