Finding the Fourth Proportional to 436,855.14, 655,282.98 and 121,312.08
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Solution
The fourth proportional to 436,855.14, 655,282.98 and 121,312.08 is: 181,968.19
Step by Step Solution
- Step 1: Write the proportion equation
436,855.14 : 655,282.98 = 121,312.08 : x - Step 2: Convert to fraction form
436,855.14/655,282.98 = 121,312.08/x - Step 3: Cross multiply
436,855.14x = 655,282.98 × 121,312.08 - Step 4: Simplify right side
436,855.14x = 79,493,741,292.40 - Step 5: Solve for x
x = 79,493,741,292.40/436,855.14 - Step 6: Final answer
x = 181,968.19
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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.