Finding the Fourth Proportional to 245,124.17, 338,302.95 and 137,694.17
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Solution
The fourth proportional to 245,124.17, 338,302.95 and 137,694.17 is: 190,035.70
Step by Step Solution
- Step 1: Write the proportion equation
245,124.17 : 338,302.95 = 137,694.17 : x - Step 2: Convert to fraction form
245,124.17/338,302.95 = 137,694.17/x - Step 3: Cross multiply
245,124.17x = 338,302.95 × 137,694.17 - Step 4: Simplify right side
245,124.17x = 46,582,342,217.29 - Step 5: Solve for x
x = 46,582,342,217.29/245,124.17 - Step 6: Final answer
x = 190,035.70
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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.