Finding the Fourth Proportional to 302,988.75, 454,482.36 and 89,773.26
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Solution
The fourth proportional to 302,988.75, 454,482.36 and 89,773.26 is: 134,659.66
Step by Step Solution
- Step 1: Write the proportion equation
302,988.75 : 454,482.36 = 89,773.26 : x - Step 2: Convert to fraction form
302,988.75/454,482.36 = 89,773.26/x - Step 3: Cross multiply
302,988.75x = 454,482.36 × 89,773.26 - Step 4: Simplify right side
302,988.75x = 40,800,363,069.69 - Step 5: Solve for x
x = 40,800,363,069.69/302,988.75 - Step 6: Final answer
x = 134,659.66
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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.