Finding the Fourth Proportional to 292,267.75, 403,329.51 and 158,131.75
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Solution
The fourth proportional to 292,267.75, 403,329.51 and 158,131.75 is: 218,221.82
Step by Step Solution
- Step 1: Write the proportion equation
292,267.75 : 403,329.51 = 158,131.75 : x - Step 2: Convert to fraction form
292,267.75/403,329.51 = 158,131.75/x - Step 3: Cross multiply
292,267.75x = 403,329.51 × 158,131.75 - Step 4: Simplify right side
292,267.75x = 63,779,201,242.94 - Step 5: Solve for x
x = 63,779,201,242.94/292,267.75 - Step 6: Final answer
x = 218,221.82
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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.