Finding the Fourth Proportional to 292,651.96, 403,860.14 and 158,515.64
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Solution
The fourth proportional to 292,651.96, 403,860.14 and 158,515.64 is: 218,751.82
Step by Step Solution
- Step 1: Write the proportion equation
292,651.96 : 403,860.14 = 158,515.64 : x - Step 2: Convert to fraction form
292,651.96/403,860.14 = 158,515.64/x - Step 3: Cross multiply
292,651.96x = 403,860.14 × 158,515.64 - Step 4: Simplify right side
292,651.96x = 64,018,148,562.59 - Step 5: Solve for x
x = 64,018,148,562.59/292,651.96 - Step 6: Final answer
x = 218,751.82
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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.