Finding the Fourth Proportional to 303,465.20, 455,197.80 and 163,497.20
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Solution
The fourth proportional to 303,465.20, 455,197.80 and 163,497.20 is: 245,245.80
Step by Step Solution
- Step 1: Write the proportion equation
303,465.20 : 455,197.80 = 163,497.20 : x - Step 2: Convert to fraction form
303,465.20/455,197.80 = 163,497.20/x - Step 3: Cross multiply
303,465.20x = 455,197.80 × 163,497.20 - Step 4: Simplify right side
303,465.20x = 74,423,565,746.16 - Step 5: Solve for x
x = 74,423,565,746.16/303,465.20 - Step 6: Final answer
x = 245,245.80
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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.