Finding the Fourth Proportional to 137,392.29, 207,181.62 and 135,518.76
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Solution
The fourth proportional to 137,392.29, 207,181.62 and 135,518.76 is: 204,356.42
Step by Step Solution
- Step 1: Write the proportion equation
137,392.29 : 207,181.62 = 135,518.76 : x - Step 2: Convert to fraction form
137,392.29/207,181.62 = 135,518.76/x - Step 3: Cross multiply
137,392.29x = 207,181.62 × 135,518.76 - Step 4: Simplify right side
137,392.29x = 28,076,996,237.19 - Step 5: Solve for x
x = 28,076,996,237.19/137,392.29 - Step 6: Final answer
x = 204,356.42
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.