Finding the Fourth Proportional to 386,605.02, 579,431.61 and 184,307.70
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Solution
The fourth proportional to 386,605.02, 579,431.61 and 184,307.70 is: 276,234.66
Step by Step Solution
- Step 1: Write the proportion equation
386,605.02 : 579,431.61 = 184,307.70 : x - Step 2: Convert to fraction form
386,605.02/579,431.61 = 184,307.70/x - Step 3: Cross multiply
386,605.02x = 579,431.61 × 184,307.70 - Step 4: Simplify right side
386,605.02x = 106,793,707,346.40 - Step 5: Solve for x
x = 106,793,707,346.40/386,605.02 - Step 6: Final answer
x = 276,234.66
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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.