Finding the Fourth Proportional to 209,005.00, 288,444.68 and 118,377.08
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Solution
The fourth proportional to 209,005.00, 288,444.68 and 118,377.08 is: 163,370.45
Step by Step Solution
- Step 1: Write the proportion equation
209,005.00 : 288,444.68 = 118,377.08 : x - Step 2: Convert to fraction form
209,005.00/288,444.68 = 118,377.08/x - Step 3: Cross multiply
209,005.00x = 288,444.68 × 118,377.08 - Step 4: Simplify right side
209,005.00x = 34,145,239,255.88 - Step 5: Solve for x
x = 34,145,239,255.88/209,005.00 - Step 6: Final answer
x = 163,370.45
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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.