Finding the Fourth Proportional to 156,914.26, 216,573.18 and 93,239.74
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Solution
The fourth proportional to 156,914.26, 216,573.18 and 93,239.74 is: 128,689.56
Step by Step Solution
- Step 1: Write the proportion equation
156,914.26 : 216,573.18 = 93,239.74 : x - Step 2: Convert to fraction form
156,914.26/216,573.18 = 93,239.74/x - Step 3: Cross multiply
156,914.26x = 216,573.18 × 93,239.74 - Step 4: Simplify right side
156,914.26x = 20,193,226,994.17 - Step 5: Solve for x
x = 20,193,226,994.17/156,914.26 - Step 6: Final answer
x = 128,689.56
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1.5x scale
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.