Finding the Fourth Proportional to 135,373.68, 203,095.08 and 40,603.50
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Solution
The fourth proportional to 135,373.68, 203,095.08 and 40,603.50 is: 60,915.62
Step by Step Solution
- Step 1: Write the proportion equation
135,373.68 : 203,095.08 = 40,603.50 : x - Step 2: Convert to fraction form
135,373.68/203,095.08 = 40,603.50/x - Step 3: Cross multiply
135,373.68x = 203,095.08 × 40,603.50 - Step 4: Simplify right side
135,373.68x = 8,246,371,080.78 - Step 5: Solve for x
x = 8,246,371,080.78/135,373.68 - Step 6: Final answer
x = 60,915.62
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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.