Finding the Fourth Proportional to 508,957.13, 702,447.26 and 294,221.68
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Solution
The fourth proportional to 508,957.13, 702,447.26 and 294,221.68 is: 406,075.87
Step by Step Solution
- Step 1: Write the proportion equation
508,957.13 : 702,447.26 = 294,221.68 : x - Step 2: Convert to fraction form
508,957.13/702,447.26 = 294,221.68/x - Step 3: Cross multiply
508,957.13x = 702,447.26 × 294,221.68 - Step 4: Simplify right side
508,957.13x = 206,675,209,721.37 - Step 5: Solve for x
x = 206,675,209,721.37/508,957.13 - Step 6: Final answer
x = 406,075.87
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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.