Finding the Fourth Proportional to 262,930.73, 362,918.70 and 155,538.09
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Solution
The fourth proportional to 262,930.73, 362,918.70 and 155,538.09 is: 214,686.52
Step by Step Solution
- Step 1: Write the proportion equation
262,930.73 : 362,918.70 = 155,538.09 : x - Step 2: Convert to fraction form
262,930.73/362,918.70 = 155,538.09/x - Step 3: Cross multiply
262,930.73x = 362,918.70 × 155,538.09 - Step 4: Simplify right side
262,930.73x = 56,447,681,423.28 - Step 5: Solve for x
x = 56,447,681,423.28/262,930.73 - Step 6: Final answer
x = 214,686.52
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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.