Finding the Fourth Proportional to 868,918.80, 1,303,378.92 and 237,837.84
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Solution
The fourth proportional to 868,918.80, 1,303,378.92 and 237,837.84 is: 356,756.96
Step by Step Solution
- Step 1: Write the proportion equation
868,918.80 : 1,303,378.92 = 237,837.84 : x - Step 2: Convert to fraction form
868,918.80/1,303,378.92 = 237,837.84/x - Step 3: Cross multiply
868,918.80x = 1,303,378.92 × 237,837.84 - Step 4: Simplify right side
868,918.80x = 309,992,827,034.33 - Step 5: Solve for x
x = 309,992,827,034.33/868,918.80 - Step 6: Final answer
x = 356,756.96
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1.5x scale
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.