Finding the Fourth Proportional to 138,465.30, 207,681.48 and 44,970.96
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Solution
The fourth proportional to 138,465.30, 207,681.48 and 44,970.96 is: 67,451.09
Step by Step Solution
- Step 1: Write the proportion equation
138,465.30 : 207,681.48 = 44,970.96 : x - Step 2: Convert to fraction form
138,465.30/207,681.48 = 44,970.96/x - Step 3: Cross multiply
138,465.30x = 207,681.48 × 44,970.96 - Step 4: Simplify right side
138,465.30x = 9,339,635,529.82 - Step 5: Solve for x
x = 9,339,635,529.82/138,465.30 - Step 6: Final answer
x = 67,451.09
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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.