Finding the Fourth Proportional to 420,614.08, 580,425.47 and 229,590.56
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Solution
The fourth proportional to 420,614.08, 580,425.47 and 229,590.56 is: 316,822.99
Step by Step Solution
- Step 1: Write the proportion equation
420,614.08 : 580,425.47 = 229,590.56 : x - Step 2: Convert to fraction form
420,614.08/580,425.47 = 229,590.56/x - Step 3: Cross multiply
420,614.08x = 580,425.47 × 229,590.56 - Step 4: Simplify right side
420,614.08x = 133,260,209,859.64 - Step 5: Solve for x
x = 133,260,209,859.64/420,614.08 - Step 6: Final answer
x = 316,822.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.