Finding the Fourth Proportional to 918,936.52, 1,378,405.26 and 350,185
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Solution
The fourth proportional to 918,936.52, 1,378,405.26 and 350,185 is: 525,277.68
Step by Step Solution
- Step 1: Write the proportion equation
918,936.52 : 1,378,405.26 = 350,185 : x - Step 2: Convert to fraction form
918,936.52/1,378,405.26 = 350,185/x - Step 3: Cross multiply
918,936.52x = 1,378,405.26 × 350,185 - Step 4: Simplify right side
918,936.52x = 482,696,845,973.10 - Step 5: Solve for x
x = 482,696,845,973.10/918,936.52 - Step 6: Final answer
x = 525,277.68
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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.