Finding the Fourth Proportional to 361,511.81, 542,343.58 and 108,810.79
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Solution
The fourth proportional to 361,511.81, 542,343.58 and 108,810.79 is: 163,239.02
Step by Step Solution
- Step 1: Write the proportion equation
361,511.81 : 542,343.58 = 108,810.79 : x - Step 2: Convert to fraction form
361,511.81/542,343.58 = 108,810.79/x - Step 3: Cross multiply
361,511.81x = 542,343.58 × 108,810.79 - Step 4: Simplify right side
361,511.81x = 59,012,833,391.23 - Step 5: Solve for x
x = 59,012,833,391.23/361,511.81 - Step 6: Final answer
x = 163,239.02
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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.