Finding the Fourth Proportional to 228,501.42, 342,811.30 and 133,811.62
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Solution
The fourth proportional to 228,501.42, 342,811.30 and 133,811.62 is: 200,752.08
Step by Step Solution
- Step 1: Write the proportion equation
228,501.42 : 342,811.30 = 133,811.62 : x - Step 2: Convert to fraction form
228,501.42/342,811.30 = 133,811.62/x - Step 3: Cross multiply
228,501.42x = 342,811.30 × 133,811.62 - Step 4: Simplify right side
228,501.42x = 45,872,135,407.31 - Step 5: Solve for x
x = 45,872,135,407.31/228,501.42 - Step 6: Final answer
x = 200,752.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.