Finding the Fourth Proportional to 303,599.70, 455,674.95 and 153,944.10
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Solution
The fourth proportional to 303,599.70, 455,674.95 and 153,944.10 is: 231,055.80
Step by Step Solution
- Step 1: Write the proportion equation
303,599.70 : 455,674.95 = 153,944.10 : x - Step 2: Convert to fraction form
303,599.70/455,674.95 = 153,944.10/x - Step 3: Cross multiply
303,599.70x = 455,674.95 × 153,944.10 - Step 4: Simplify right side
303,599.70x = 70,148,470,070.30 - Step 5: Solve for x
x = 70,148,470,070.30/303,599.70 - Step 6: Final answer
x = 231,055.80
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1.5x scale
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.