Finding the Fourth Proportional to 778,130.24, 1,167,096.92 and 209,556.76
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Solution
The fourth proportional to 778,130.24, 1,167,096.92 and 209,556.76 is: 314,308.63
Step by Step Solution
- Step 1: Write the proportion equation
778,130.24 : 1,167,096.92 = 209,556.76 : x - Step 2: Convert to fraction form
778,130.24/1,167,096.92 = 209,556.76/x - Step 3: Cross multiply
778,130.24x = 1,167,096.92 × 209,556.76 - Step 4: Simplify right side
778,130.24x = 244,573,049,161.18 - Step 5: Solve for x
x = 244,573,049,161.18/778,130.24 - Step 6: Final answer
x = 314,308.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.