Finding the Fourth Proportional to 427,935.59, 590,551.11 and 236,948.99
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Solution
The fourth proportional to 427,935.59, 590,551.11 and 236,948.99 is: 326,989.60
Step by Step Solution
- Step 1: Write the proportion equation
427,935.59 : 590,551.11 = 236,948.99 : x - Step 2: Convert to fraction form
427,935.59/590,551.11 = 236,948.99/x - Step 3: Cross multiply
427,935.59x = 590,551.11 × 236,948.99 - Step 4: Simplify right side
427,935.59x = 139,930,489,057.88 - Step 5: Solve for x
x = 139,930,489,057.88/427,935.59 - Step 6: Final answer
x = 326,989.60
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1.5x scale
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.