Finding the Fourth Proportional to 303,700.19, 455,226.68 and 228,588.08
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Solution
The fourth proportional to 303,700.19, 455,226.68 and 228,588.08 is: 342,638.55
Step by Step Solution
- Step 1: Write the proportion equation
303,700.19 : 455,226.68 = 228,588.08 : x - Step 2: Convert to fraction form
303,700.19/455,226.68 = 228,588.08/x - Step 3: Cross multiply
303,700.19x = 455,226.68 × 228,588.08 - Step 4: Simplify right side
303,700.19x = 104,059,391,041.31 - Step 5: Solve for x
x = 104,059,391,041.31/303,700.19 - Step 6: Final answer
x = 342,638.55
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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.