Finding the Fourth Proportional to 419,274.06, 578,590.71 and 228,283.98
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Solution
The fourth proportional to 419,274.06, 578,590.71 and 228,283.98 is: 315,027.81
Step by Step Solution
- Step 1: Write the proportion equation
419,274.06 : 578,590.71 = 228,283.98 : x - Step 2: Convert to fraction form
419,274.06/578,590.71 = 228,283.98/x - Step 3: Cross multiply
419,274.06x = 578,590.71 × 228,283.98 - Step 4: Simplify right side
419,274.06x = 132,082,990,069.83 - Step 5: Solve for x
x = 132,082,990,069.83/419,274.06 - Step 6: Final answer
x = 315,027.81
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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.