Finding the Fourth Proportional to 328,590.95, 492,887.43 and 91,935.68
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Solution
The fourth proportional to 328,590.95, 492,887.43 and 91,935.68 is: 137,903.80
Step by Step Solution
- Step 1: Write the proportion equation
328,590.95 : 492,887.43 = 91,935.68 : x - Step 2: Convert to fraction form
328,590.95/492,887.43 = 91,935.68/x - Step 3: Cross multiply
328,590.95x = 492,887.43 × 91,935.68 - Step 4: Simplify right side
328,590.95x = 45,313,938,576.07 - Step 5: Solve for x
x = 45,313,938,576.07/328,590.95 - Step 6: Final answer
x = 137,903.80
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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.