Finding the Fourth Proportional to 209,210.06, 288,709.08 and 118,583.48
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Solution
The fourth proportional to 209,210.06, 288,709.08 and 118,583.48 is: 163,644.75
Step by Step Solution
- Step 1: Write the proportion equation
209,210.06 : 288,709.08 = 118,583.48 : x - Step 2: Convert to fraction form
209,210.06/288,709.08 = 118,583.48/x - Step 3: Cross multiply
209,210.06x = 288,709.08 × 118,583.48 - Step 4: Simplify right side
209,210.06x = 34,236,127,414.00 - Step 5: Solve for x
x = 34,236,127,414.00/209,210.06 - Step 6: Final answer
x = 163,644.75
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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.