Finding the Fourth Proportional to 245,423.70, 368,135.55 and 203,951.70
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Solution
The fourth proportional to 245,423.70, 368,135.55 and 203,951.70 is: 305,927.55
Step by Step Solution
- Step 1: Write the proportion equation
245,423.70 : 368,135.55 = 203,951.70 : x - Step 2: Convert to fraction form
245,423.70/368,135.55 = 203,951.70/x - Step 3: Cross multiply
245,423.70x = 368,135.55 × 203,951.70 - Step 4: Simplify right side
245,423.70x = 75,081,871,252.94 - Step 5: Solve for x
x = 75,081,871,252.94/245,423.70 - Step 6: Final answer
x = 305,927.55
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1.5x scale
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.