Finding the Fourth Proportional to 72,152.68, 108,228.66 and 19,562.08
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Solution
The fourth proportional to 72,152.68, 108,228.66 and 19,562.08 is: 29,343.02
Step by Step Solution
- Step 1: Write the proportion equation
72,152.68 : 108,228.66 = 19,562.08 : x - Step 2: Convert to fraction form
72,152.68/108,228.66 = 19,562.08/x - Step 3: Cross multiply
72,152.68x = 108,228.66 × 19,562.08 - Step 4: Simplify right side
72,152.68x = 2,117,177,705.21 - Step 5: Solve for x
x = 2,117,177,705.21/72,152.68 - Step 6: Final answer
x = 29,343.02
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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.