Finding the Fourth Proportional to 292,245.42, 403,296.99 and 158,106.54
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Solution
The fourth proportional to 292,245.42, 403,296.99 and 158,106.54 is: 218,186.11
Step by Step Solution
- Step 1: Write the proportion equation
292,245.42 : 403,296.99 = 158,106.54 : x - Step 2: Convert to fraction form
292,245.42/403,296.99 = 158,106.54/x - Step 3: Cross multiply
292,245.42x = 403,296.99 × 158,106.54 - Step 4: Simplify right side
292,245.42x = 63,763,891,681.31 - Step 5: Solve for x
x = 63,763,891,681.31/292,245.42 - Step 6: Final answer
x = 218,186.11
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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.