Finding the Fourth Proportional to 292,075.80, 403,064.64 and 157,939.80
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Solution
The fourth proportional to 292,075.80, 403,064.64 and 157,939.80 is: 217,956.94
Step by Step Solution
- Step 1: Write the proportion equation
292,075.80 : 403,064.64 = 157,939.80 : x - Step 2: Convert to fraction form
292,075.80/403,064.64 = 157,939.80/x - Step 3: Cross multiply
292,075.80x = 403,064.64 × 157,939.80 - Step 4: Simplify right side
292,075.80x = 63,659,948,628.67 - Step 5: Solve for x
x = 63,659,948,628.67/292,075.80 - Step 6: Final answer
x = 217,956.94
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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.