Finding the Fourth Proportional to 248,363.36, 342,788.68 and 140,943.40
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Solution
The fourth proportional to 248,363.36, 342,788.68 and 140,943.40 is: 194,528.70
Step by Step Solution
- Step 1: Write the proportion equation
248,363.36 : 342,788.68 = 140,943.40 : x - Step 2: Convert to fraction form
248,363.36/342,788.68 = 140,943.40/x - Step 3: Cross multiply
248,363.36x = 342,788.68 × 140,943.40 - Step 4: Simplify right side
248,363.36x = 48,313,802,040.71 - Step 5: Solve for x
x = 48,313,802,040.71/248,363.36 - Step 6: Final answer
x = 194,528.70
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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.