Finding the Fourth Proportional to 306,394.08, 459,587.68 and 119,536.80
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Solution
The fourth proportional to 306,394.08, 459,587.68 and 119,536.80 is: 179,303.86
Step by Step Solution
- Step 1: Write the proportion equation
306,394.08 : 459,587.68 = 119,536.80 : x - Step 2: Convert to fraction form
306,394.08/459,587.68 = 119,536.80/x - Step 3: Cross multiply
306,394.08x = 459,587.68 × 119,536.80 - Step 4: Simplify right side
306,394.08x = 54,937,640,586.62 - Step 5: Solve for x
x = 54,937,640,586.62/306,394.08 - Step 6: Final answer
x = 179,303.86
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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.