Finding the Fourth Proportional to 172,075.92, 237,551.10 and 107,580.99
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Solution
The fourth proportional to 172,075.92, 237,551.10 and 107,580.99 is: 148,515.74
Step by Step Solution
- Step 1: Write the proportion equation
172,075.92 : 237,551.10 = 107,580.99 : x - Step 2: Convert to fraction form
172,075.92/237,551.10 = 107,580.99/x - Step 3: Cross multiply
172,075.92x = 237,551.10 × 107,580.99 - Step 4: Simplify right side
172,075.92x = 25,555,982,513.59 - Step 5: Solve for x
x = 25,555,982,513.59/172,075.92 - Step 6: Final answer
x = 148,515.74
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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.