Finding the Fourth Proportional to 424,841.28, 586,212.36 and 243,519.84
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Solution
The fourth proportional to 424,841.28, 586,212.36 and 243,519.84 is: 336,018.05
Step by Step Solution
- Step 1: Write the proportion equation
424,841.28 : 586,212.36 = 243,519.84 : x - Step 2: Convert to fraction form
424,841.28/586,212.36 = 243,519.84/x - Step 3: Cross multiply
424,841.28x = 586,212.36 × 243,519.84 - Step 4: Simplify right side
424,841.28x = 142,754,340,113.22 - Step 5: Solve for x
x = 142,754,340,113.22/424,841.28 - Step 6: Final answer
x = 336,018.05
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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.