Finding the Fourth Proportional to 658,919.84, 988,441.28 and 185,604.44
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Solution
The fourth proportional to 658,919.84, 988,441.28 and 185,604.44 is: 278,423.99
Step by Step Solution
- Step 1: Write the proportion equation
658,919.84 : 988,441.28 = 185,604.44 : x - Step 2: Convert to fraction form
658,919.84/988,441.28 = 185,604.44/x - Step 3: Cross multiply
658,919.84x = 988,441.28 × 185,604.44 - Step 4: Simplify right side
658,919.84x = 183,459,090,247.28 - Step 5: Solve for x
x = 183,459,090,247.28/658,919.84 - Step 6: Final answer
x = 278,423.99
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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.