Finding the Fourth Proportional to 436,341.96, 654,513.84 and 120,799.80
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Solution
The fourth proportional to 436,341.96, 654,513.84 and 120,799.80 is: 181,199.95
Step by Step Solution
- Step 1: Write the proportion equation
436,341.96 : 654,513.84 = 120,799.80 : x - Step 2: Convert to fraction form
436,341.96/654,513.84 = 120,799.80/x - Step 3: Cross multiply
436,341.96x = 654,513.84 × 120,799.80 - Step 4: Simplify right side
436,341.96x = 79,065,140,969.23 - Step 5: Solve for x
x = 79,065,140,969.23/436,341.96 - Step 6: Final answer
x = 181,199.95
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1.5x scale
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.