Finding the Fourth Proportional to 486,101.80, 729,152.70 and 153,677.80
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Solution
The fourth proportional to 486,101.80, 729,152.70 and 153,677.80 is: 230,516.70
Step by Step Solution
- Step 1: Write the proportion equation
486,101.80 : 729,152.70 = 153,677.80 : x - Step 2: Convert to fraction form
486,101.80/729,152.70 = 153,677.80/x - Step 3: Cross multiply
486,101.80x = 729,152.70 × 153,677.80 - Step 4: Simplify right side
486,101.80x = 112,054,582,800.06 - Step 5: Solve for x
x = 112,054,582,800.06/486,101.80 - Step 6: Final answer
x = 230,516.70
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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.