Finding the Fourth Proportional to 180,925.74, 271,409.58 and 68,689.71
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Solution
The fourth proportional to 180,925.74, 271,409.58 and 68,689.71 is: 103,042.53
Step by Step Solution
- Step 1: Write the proportion equation
180,925.74 : 271,409.58 = 68,689.71 : x - Step 2: Convert to fraction form
180,925.74/271,409.58 = 68,689.71/x - Step 3: Cross multiply
180,925.74x = 271,409.58 × 68,689.71 - Step 4: Simplify right side
180,925.74x = 18,643,045,341.42 - Step 5: Solve for x
x = 18,643,045,341.42/180,925.74 - Step 6: Final answer
x = 103,042.53
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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.