Finding the Fourth Proportional to 152,415.18, 228,586.05 and 45,776.70
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Solution
The fourth proportional to 152,415.18, 228,586.05 and 45,776.70 is: 68,654.02
Step by Step Solution
- Step 1: Write the proportion equation
152,415.18 : 228,586.05 = 45,776.70 : x - Step 2: Convert to fraction form
152,415.18/228,586.05 = 45,776.70/x - Step 3: Cross multiply
152,415.18x = 228,586.05 × 45,776.70 - Step 4: Simplify right side
152,415.18x = 10,463,915,035.04 - Step 5: Solve for x
x = 10,463,915,035.04/152,415.18 - Step 6: Final answer
x = 68,654.02
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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.