Finding the Fourth Proportional to 129,374.99, 193,781.84 and 62,675.27
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Solution
The fourth proportional to 129,374.99, 193,781.84 and 62,675.27 is: 93,876.94
Step by Step Solution
- Step 1: Write the proportion equation
129,374.99 : 193,781.84 = 62,675.27 : x - Step 2: Convert to fraction form
129,374.99/193,781.84 = 62,675.27/x - Step 3: Cross multiply
129,374.99x = 193,781.84 × 62,675.27 - Step 4: Simplify right side
129,374.99x = 12,145,328,587.49 - Step 5: Solve for x
x = 12,145,328,587.49/129,374.99 - Step 6: Final answer
x = 93,876.94
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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.