Finding the Fourth Proportional to 97,243.61, 145,782.21 and 37,315.09
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Solution
The fourth proportional to 97,243.61, 145,782.21 and 37,315.09 is: 55,940.70
Step by Step Solution
- Step 1: Write the proportion equation
97,243.61 : 145,782.21 = 37,315.09 : x - Step 2: Convert to fraction form
97,243.61/145,782.21 = 37,315.09/x - Step 3: Cross multiply
97,243.61x = 145,782.21 × 37,315.09 - Step 4: Simplify right side
97,243.61x = 5,439,875,852.13 - Step 5: Solve for x
x = 5,439,875,852.13/97,243.61 - Step 6: Final answer
x = 55,940.70
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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.