Finding the Fourth Proportional to 255,439.77, 352,506.99 and 148,072.08
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Solution
The fourth proportional to 255,439.77, 352,506.99 and 148,072.08 is: 204,339.53
Step by Step Solution
- Step 1: Write the proportion equation
255,439.77 : 352,506.99 = 148,072.08 : x - Step 2: Convert to fraction form
255,439.77/352,506.99 = 148,072.08/x - Step 3: Cross multiply
255,439.77x = 352,506.99 × 148,072.08 - Step 4: Simplify right side
255,439.77x = 52,196,443,223.84 - Step 5: Solve for x
x = 52,196,443,223.84/255,439.77 - Step 6: Final answer
x = 204,339.53
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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.