Finding the Fourth Proportional to 753,078.10, 1,129,609.95 and 184,461.70
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Solution
The fourth proportional to 753,078.10, 1,129,609.95 and 184,461.70 is: 276,690.79
Step by Step Solution
- Step 1: Write the proportion equation
753,078.10 : 1,129,609.95 = 184,461.70 : x - Step 2: Convert to fraction form
753,078.10/1,129,609.95 = 184,461.70/x - Step 3: Cross multiply
753,078.10x = 1,129,609.95 × 184,461.70 - Step 4: Simplify right side
753,078.10x = 208,369,771,713.92 - Step 5: Solve for x
x = 208,369,771,713.92/753,078.10 - Step 6: Final answer
x = 276,690.79
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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.