Finding the Fourth Proportional to 298,913.10, 411,660.24 and 292,381.26
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Solution
The fourth proportional to 298,913.10, 411,660.24 and 292,381.26 is: 402,664.65
Step by Step Solution
- Step 1: Write the proportion equation
298,913.10 : 411,660.24 = 292,381.26 : x - Step 2: Convert to fraction form
298,913.10/411,660.24 = 292,381.26/x - Step 3: Cross multiply
298,913.10x = 411,660.24 × 292,381.26 - Step 4: Simplify right side
298,913.10x = 120,361,739,663.10 - Step 5: Solve for x
x = 120,361,739,663.10/298,913.10 - Step 6: Final answer
x = 402,664.65
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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.