Finding the Fourth Proportional to 150,596.29, 207,787.99 and 90,143.95
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Solution
The fourth proportional to 150,596.29, 207,787.99 and 90,143.95 is: 124,377.77
Step by Step Solution
- Step 1: Write the proportion equation
150,596.29 : 207,787.99 = 90,143.95 : x - Step 2: Convert to fraction form
150,596.29/207,787.99 = 90,143.95/x - Step 3: Cross multiply
150,596.29x = 207,787.99 × 90,143.95 - Step 4: Simplify right side
150,596.29x = 18,730,830,181.16 - Step 5: Solve for x
x = 18,730,830,181.16/150,596.29 - Step 6: Final answer
x = 124,377.77
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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.