Finding the Fourth Proportional to 220,214.08, 303,893.76 and 119,612.80
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Solution
The fourth proportional to 220,214.08, 303,893.76 and 119,612.80 is: 165,064.76
Step by Step Solution
- Step 1: Write the proportion equation
220,214.08 : 303,893.76 = 119,612.80 : x - Step 2: Convert to fraction form
220,214.08/303,893.76 = 119,612.80/x - Step 3: Cross multiply
220,214.08x = 303,893.76 × 119,612.80 - Step 4: Simplify right side
220,214.08x = 36,349,583,536.13 - Step 5: Solve for x
x = 36,349,583,536.13/220,214.08 - Step 6: Final answer
x = 165,064.76
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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.