Finding the Fourth Proportional to 178,557.80, 246,412.34 and 97,983.88
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Solution
The fourth proportional to 178,557.80, 246,412.34 and 97,983.88 is: 135,219.17
Step by Step Solution
- Step 1: Write the proportion equation
178,557.80 : 246,412.34 = 97,983.88 : x - Step 2: Convert to fraction form
178,557.80/246,412.34 = 97,983.88/x - Step 3: Cross multiply
178,557.80x = 246,412.34 × 97,983.88 - Step 4: Simplify right side
178,557.80x = 24,144,437,153.08 - Step 5: Solve for x
x = 24,144,437,153.08/178,557.80 - Step 6: Final answer
x = 135,219.17
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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.