Finding the Fourth Proportional to 178,140.75, 245,824.86 and 97,566.54
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Solution
The fourth proportional to 178,140.75, 245,824.86 and 97,566.54 is: 134,636.69
Step by Step Solution
- Step 1: Write the proportion equation
178,140.75 : 245,824.86 = 97,566.54 : x - Step 2: Convert to fraction form
178,140.75/245,824.86 = 97,566.54/x - Step 3: Cross multiply
178,140.75x = 245,824.86 × 97,566.54 - Step 4: Simplify right side
178,140.75x = 23,984,281,036.18 - Step 5: Solve for x
x = 23,984,281,036.18/178,140.75 - Step 6: Final answer
x = 134,636.69
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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.