Finding the Fourth Proportional to 419,094.55, 578,350.03 and 228,107.48
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Solution
The fourth proportional to 419,094.55, 578,350.03 and 228,107.48 is: 314,788.08
Step by Step Solution
- Step 1: Write the proportion equation
419,094.55 : 578,350.03 = 228,107.48 : x - Step 2: Convert to fraction form
419,094.55/578,350.03 = 228,107.48/x - Step 3: Cross multiply
419,094.55x = 578,350.03 × 228,107.48 - Step 4: Simplify right side
419,094.55x = 131,925,967,901.22 - Step 5: Solve for x
x = 131,925,967,901.22/419,094.55 - Step 6: Final answer
x = 314,788.08
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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.