Finding the Fourth Proportional to 355,354.59, 490,342.10 and 228,202.41
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Solution
The fourth proportional to 355,354.59, 490,342.10 and 228,202.41 is: 314,888.99
Step by Step Solution
- Step 1: Write the proportion equation
355,354.59 : 490,342.10 = 228,202.41 : x - Step 2: Convert to fraction form
355,354.59/490,342.10 = 228,202.41/x - Step 3: Cross multiply
355,354.59x = 490,342.10 × 228,202.41 - Step 4: Simplify right side
355,354.59x = 111,897,247,803.45 - Step 5: Solve for x
x = 111,897,247,803.45/355,354.59 - Step 6: Final answer
x = 314,888.99
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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.