Finding the Fourth Proportional to 382,767.68, 528,479.52 and 239,585.60
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Solution
The fourth proportional to 382,767.68, 528,479.52 and 239,585.60 is: 330,790.95
Step by Step Solution
- Step 1: Write the proportion equation
382,767.68 : 528,479.52 = 239,585.60 : x - Step 2: Convert to fraction form
382,767.68/528,479.52 = 239,585.60/x - Step 3: Cross multiply
382,767.68x = 528,479.52 × 239,585.60 - Step 4: Simplify right side
382,767.68x = 126,616,082,886.91 - Step 5: Solve for x
x = 126,616,082,886.91/382,767.68 - Step 6: Final answer
x = 330,790.95
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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.