Finding the Fourth Proportional to 292,594.78, 403,813.65 and 165,278.58
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Solution
The fourth proportional to 292,594.78, 403,813.65 and 165,278.58 is: 228,102.99
Step by Step Solution
- Step 1: Write the proportion equation
292,594.78 : 403,813.65 = 165,278.58 : x - Step 2: Convert to fraction form
292,594.78/403,813.65 = 165,278.58/x - Step 3: Cross multiply
292,594.78x = 403,813.65 × 165,278.58 - Step 4: Simplify right side
292,594.78x = 66,741,745,762.11 - Step 5: Solve for x
x = 66,741,745,762.11/292,594.78 - Step 6: Final answer
x = 228,102.99
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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.