Finding the Fourth Proportional to 292,749.84, 403,994.64 and 158,613.84
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Solution
The fourth proportional to 292,749.84, 403,994.64 and 158,613.84 is: 218,887.02
Step by Step Solution
- Step 1: Write the proportion equation
292,749.84 : 403,994.64 = 158,613.84 : x - Step 2: Convert to fraction form
292,749.84/403,994.64 = 158,613.84/x - Step 3: Cross multiply
292,749.84x = 403,994.64 × 158,613.84 - Step 4: Simplify right side
292,749.84x = 64,079,141,189.82 - Step 5: Solve for x
x = 64,079,141,189.82/292,749.84 - Step 6: Final answer
x = 218,887.02
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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.