Finding the Fourth Proportional to 658,094.99, 986,946.30 and 279,009.63
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Solution
The fourth proportional to 658,094.99, 986,946.30 and 279,009.63 is: 418,431.27
Step by Step Solution
- Step 1: Write the proportion equation
658,094.99 : 986,946.30 = 279,009.63 : x - Step 2: Convert to fraction form
658,094.99/986,946.30 = 279,009.63/x - Step 3: Cross multiply
658,094.99x = 986,946.30 × 279,009.63 - Step 4: Simplify right side
658,094.99x = 275,367,521,992.87 - Step 5: Solve for x
x = 275,367,521,992.87/658,094.99 - Step 6: Final answer
x = 418,431.27
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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.