Finding the Fourth Proportional to 178,095.75, 245,772.14 and 98,607.75
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Solution
The fourth proportional to 178,095.75, 245,772.14 and 98,607.75 is: 136,078.70
Step by Step Solution
- Step 1: Write the proportion equation
178,095.75 : 245,772.14 = 98,607.75 : x - Step 2: Convert to fraction form
178,095.75/245,772.14 = 98,607.75/x - Step 3: Cross multiply
178,095.75x = 245,772.14 × 98,607.75 - Step 4: Simplify right side
178,095.75x = 24,235,037,245.05 - Step 5: Solve for x
x = 24,235,037,245.05/178,095.75 - Step 6: Final answer
x = 136,078.70
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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.