Finding the Fourth Proportional to 135,693.90, 203,670.45 and 115,994.70
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Solution
The fourth proportional to 135,693.90, 203,670.45 and 115,994.70 is: 174,102.84
Step by Step Solution
- Step 1: Write the proportion equation
135,693.90 : 203,670.45 = 115,994.70 : x - Step 2: Convert to fraction form
135,693.90/203,670.45 = 115,994.70/x - Step 3: Cross multiply
135,693.90x = 203,670.45 × 115,994.70 - Step 4: Simplify right side
135,693.90x = 23,624,692,746.62 - Step 5: Solve for x
x = 23,624,692,746.62/135,693.90 - Step 6: Final answer
x = 174,102.84
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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.