Finding the Fourth Proportional to 427,934.59, 590,549.73 and 236,947.99
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Solution
The fourth proportional to 427,934.59, 590,549.73 and 236,947.99 is: 326,988.22
Step by Step Solution
- Step 1: Write the proportion equation
427,934.59 : 590,549.73 = 236,947.99 : x - Step 2: Convert to fraction form
427,934.59/590,549.73 = 236,947.99/x - Step 3: Cross multiply
427,934.59x = 590,549.73 × 236,947.99 - Step 4: Simplify right side
427,934.59x = 139,929,571,518.54 - Step 5: Solve for x
x = 139,929,571,518.54/427,934.59 - Step 6: Final answer
x = 326,988.22
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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.