Finding the Fourth Proportional to 299,515.08, 413,328.78 and 165,379.08
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Solution
The fourth proportional to 299,515.08, 413,328.78 and 165,379.08 is: 228,222.01
Step by Step Solution
- Step 1: Write the proportion equation
299,515.08 : 413,328.78 = 165,379.08 : x - Step 2: Convert to fraction form
299,515.08/413,328.78 = 165,379.08/x - Step 3: Cross multiply
299,515.08x = 413,328.78 × 165,379.08 - Step 4: Simplify right side
299,515.08x = 68,355,933,373.92 - Step 5: Solve for x
x = 68,355,933,373.92/299,515.08 - Step 6: Final answer
x = 228,222.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.