Finding the Fourth Proportional to 471,252.80, 705,712.80 and 302,513.60
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Solution
The fourth proportional to 471,252.80, 705,712.80 and 302,513.60 is: 453,021.65
Step by Step Solution
- Step 1: Write the proportion equation
471,252.80 : 705,712.80 = 302,513.60 : x - Step 2: Convert to fraction form
471,252.80/705,712.80 = 302,513.60/x - Step 3: Cross multiply
471,252.80x = 705,712.80 × 302,513.60 - Step 4: Simplify right side
471,252.80x = 213,487,719,694.08 - Step 5: Solve for x
x = 213,487,719,694.08/471,252.80 - Step 6: Final answer
x = 453,021.65
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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.