Finding the Fourth Proportional to 616,666.36, 925,185.84 and 292,703.08
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Solution
The fourth proportional to 616,666.36, 925,185.84 and 292,703.08 is: 439,143.05
Step by Step Solution
- Step 1: Write the proportion equation
616,666.36 : 925,185.84 = 292,703.08 : x - Step 2: Convert to fraction form
616,666.36/925,185.84 = 292,703.08/x - Step 3: Cross multiply
616,666.36x = 925,185.84 × 292,703.08 - Step 4: Simplify right side
616,666.36x = 270,804,744,940.39 - Step 5: Solve for x
x = 270,804,744,940.39/616,666.36 - Step 6: Final answer
x = 439,143.05
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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.