Finding the Fourth Proportional to 228,865,415.40, 343,298,123.10 and 203,783,149.80
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Solution
The fourth proportional to 228,865,415.40, 343,298,123.10 and 203,783,149.80 is: 305,674,724.70
Step by Step Solution
- Step 1: Write the proportion equation
228,865,415.40 : 343,298,123.10 = 203,783,149.80 : x - Step 2: Convert to fraction form
228,865,415.40/343,298,123.10 = 203,783,149.80/x - Step 3: Cross multiply
228,865,415.40x = 343,298,123.10 × 203,783,149.80 - Step 4: Simplify right side
228,865,415.40x = 69,958,372,845,746,152 - Step 5: Solve for x
x = 69,958,372,845,746,152/228,865,415.40 - Step 6: Final answer
x = 305,674,724.70
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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.