Finding the Fourth Proportional to 177,827.67, 245,641.82 and 142,271.91
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Solution
The fourth proportional to 177,827.67, 245,641.82 and 142,271.91 is: 196,526.95
Step by Step Solution
- Step 1: Write the proportion equation
177,827.67 : 245,641.82 = 142,271.91 : x - Step 2: Convert to fraction form
177,827.67/245,641.82 = 142,271.91/x - Step 3: Cross multiply
177,827.67x = 245,641.82 × 142,271.91 - Step 4: Simplify right side
177,827.67x = 34,947,930,195.92 - Step 5: Solve for x
x = 34,947,930,195.92/177,827.67 - Step 6: Final answer
x = 196,526.95
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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.