Finding the Fourth Proportional to 152,145.96, 228,239.70 and 63,378.70
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Solution
The fourth proportional to 152,145.96, 228,239.70 and 63,378.70 is: 95,076.70
Step by Step Solution
- Step 1: Write the proportion equation
152,145.96 : 228,239.70 = 63,378.70 : x - Step 2: Convert to fraction form
152,145.96/228,239.70 = 63,378.70/x - Step 3: Cross multiply
152,145.96x = 228,239.70 × 63,378.70 - Step 4: Simplify right side
152,145.96x = 14,465,536,128.22 - Step 5: Solve for x
x = 14,465,536,128.22/152,145.96 - Step 6: Final answer
x = 95,076.70
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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.