Finding the Fourth Proportional to 113,283.79, 169,914.67 and 34,398.70
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Solution
The fourth proportional to 113,283.79, 169,914.67 and 34,398.70 is: 51,594.70
Step by Step Solution
- Step 1: Write the proportion equation
113,283.79 : 169,914.67 = 34,398.70 : x - Step 2: Convert to fraction form
113,283.79/169,914.67 = 34,398.70/x - Step 3: Cross multiply
113,283.79x = 169,914.67 × 34,398.70 - Step 4: Simplify right side
113,283.79x = 5,844,843,248.15 - Step 5: Solve for x
x = 5,844,843,248.15/113,283.79 - Step 6: Final answer
x = 51,594.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.