Finding the Fourth Proportional to 186,337.12, 257,151.48 and 104,679.70
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Solution
The fourth proportional to 186,337.12, 257,151.48 and 104,679.70 is: 144,461.50
Step by Step Solution
- Step 1: Write the proportion equation
186,337.12 : 257,151.48 = 104,679.70 : x - Step 2: Convert to fraction form
186,337.12/257,151.48 = 104,679.70/x - Step 3: Cross multiply
186,337.12x = 257,151.48 × 104,679.70 - Step 4: Simplify right side
186,337.12x = 26,918,539,780.96 - Step 5: Solve for x
x = 26,918,539,780.96/186,337.12 - Step 6: Final answer
x = 144,461.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.