Finding the Fourth Proportional to 135,652.84, 203,478.62 and 42,158.44
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Solution
The fourth proportional to 135,652.84, 203,478.62 and 42,158.44 is: 63,237.46
Step by Step Solution
- Step 1: Write the proportion equation
135,652.84 : 203,478.62 = 42,158.44 : x - Step 2: Convert to fraction form
135,652.84/203,478.62 = 42,158.44/x - Step 3: Cross multiply
135,652.84x = 203,478.62 × 42,158.44 - Step 4: Simplify right side
135,652.84x = 8,578,341,192.55 - Step 5: Solve for x
x = 8,578,341,192.55/135,652.84 - Step 6: Final answer
x = 63,237.46
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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.