Finding the Fourth Proportional to 252,214.20, 348,044.99 and 137,490.39
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Solution
The fourth proportional to 252,214.20, 348,044.99 and 137,490.39 is: 189,730.95
Step by Step Solution
- Step 1: Write the proportion equation
252,214.20 : 348,044.99 = 137,490.39 : x - Step 2: Convert to fraction form
252,214.20/348,044.99 = 137,490.39/x - Step 3: Cross multiply
252,214.20x = 348,044.99 × 137,490.39 - Step 4: Simplify right side
252,214.20x = 47,852,840,725.19 - Step 5: Solve for x
x = 47,852,840,725.19/252,214.20 - Step 6: Final answer
x = 189,730.95
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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.