Finding the Fourth Proportional to 180,524.18, 249,131.15 and 99,951.70
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Solution
The fourth proportional to 180,524.18, 249,131.15 and 99,951.70 is: 137,937.65
Step by Step Solution
- Step 1: Write the proportion equation
180,524.18 : 249,131.15 = 99,951.70 : x - Step 2: Convert to fraction form
180,524.18/249,131.15 = 99,951.70/x - Step 3: Cross multiply
180,524.18x = 249,131.15 × 99,951.70 - Step 4: Simplify right side
180,524.18x = 24,901,080,220.04 - Step 5: Solve for x
x = 24,901,080,220.04/180,524.18 - Step 6: Final answer
x = 137,937.65
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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.