Finding the Fourth Proportional to 427,603.99, 590,098.76 and 236,635.15
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Solution
The fourth proportional to 427,603.99, 590,098.76 and 236,635.15 is: 326,559.41
Step by Step Solution
- Step 1: Write the proportion equation
427,603.99 : 590,098.76 = 236,635.15 : x - Step 2: Convert to fraction form
427,603.99/590,098.76 = 236,635.15/x - Step 3: Cross multiply
427,603.99x = 590,098.76 × 236,635.15 - Step 4: Simplify right side
427,603.99x = 139,638,107,404.24 - Step 5: Solve for x
x = 139,638,107,404.24/427,603.99 - Step 6: Final answer
x = 326,559.41
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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.