Finding the Fourth Proportional to 292,417.38, 403,537.26 and 158,281.38
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Solution
The fourth proportional to 292,417.38, 403,537.26 and 158,281.38 is: 218,428.99
Step by Step Solution
- Step 1: Write the proportion equation
292,417.38 : 403,537.26 = 158,281.38 : x - Step 2: Convert to fraction form
292,417.38/403,537.26 = 158,281.38/x - Step 3: Cross multiply
292,417.38x = 403,537.26 × 158,281.38 - Step 4: Simplify right side
292,417.38x = 63,872,434,394.22 - Step 5: Solve for x
x = 63,872,434,394.22/292,417.38 - Step 6: Final answer
x = 218,428.99
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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.