Finding the Fourth Proportional to 178,564.12, 246,425.56 and 97,994.53
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Solution
The fourth proportional to 178,564.12, 246,425.56 and 97,994.53 is: 135,236.34
Step by Step Solution
- Step 1: Write the proportion equation
178,564.12 : 246,425.56 = 97,994.53 : x - Step 2: Convert to fraction form
178,564.12/246,425.56 = 97,994.53/x - Step 3: Cross multiply
178,564.12x = 246,425.56 × 97,994.53 - Step 4: Simplify right side
178,564.12x = 24,148,357,670.74 - Step 5: Solve for x
x = 24,148,357,670.74/178,564.12 - Step 6: Final answer
x = 135,236.34
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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.