Finding the Fourth Proportional to 420,590.64, 580,425.03 and 229,605.48
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Solution
The fourth proportional to 420,590.64, 580,425.03 and 229,605.48 is: 316,860.99
Step by Step Solution
- Step 1: Write the proportion equation
420,590.64 : 580,425.03 = 229,605.48 : x - Step 2: Convert to fraction form
420,590.64/580,425.03 = 229,605.48/x - Step 3: Cross multiply
420,590.64x = 580,425.03 × 229,605.48 - Step 4: Simplify right side
420,590.64x = 133,268,767,617.16 - Step 5: Solve for x
x = 133,268,767,617.16/420,590.64 - Step 6: Final answer
x = 316,860.99
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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.