Finding the Fourth Proportional to 155,357.68, 233,113.92 and 71,117.68
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Solution
The fourth proportional to 155,357.68, 233,113.92 and 71,117.68 is: 106,711.95
Step by Step Solution
- Step 1: Write the proportion equation
155,357.68 : 233,113.92 = 71,117.68 : x - Step 2: Convert to fraction form
155,357.68/233,113.92 = 71,117.68/x - Step 3: Cross multiply
155,357.68x = 233,113.92 × 71,117.68 - Step 4: Simplify right side
155,357.68x = 16,578,521,166.11 - Step 5: Solve for x
x = 16,578,521,166.11/155,357.68 - Step 6: Final answer
x = 106,711.95
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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.