Finding the Fourth Proportional to 245,472.08, 338,763.72 and 138,075.92
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Solution
The fourth proportional to 245,472.08, 338,763.72 and 138,075.92 is: 190,551.66
Step by Step Solution
- Step 1: Write the proportion equation
245,472.08 : 338,763.72 = 138,075.92 : x - Step 2: Convert to fraction form
245,472.08/338,763.72 = 138,075.92/x - Step 3: Cross multiply
245,472.08x = 338,763.72 × 138,075.92 - Step 4: Simplify right side
245,472.08x = 46,775,112,301.62 - Step 5: Solve for x
x = 46,775,112,301.62/245,472.08 - Step 6: Final answer
x = 190,551.66
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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.