Finding the Fourth Proportional to 352,451.40, 528,677.10 and 115,801.80
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Solution
The fourth proportional to 352,451.40, 528,677.10 and 115,801.80 is: 173,702.70
Step by Step Solution
- Step 1: Write the proportion equation
352,451.40 : 528,677.10 = 115,801.80 : x - Step 2: Convert to fraction form
352,451.40/528,677.10 = 115,801.80/x - Step 3: Cross multiply
352,451.40x = 528,677.10 × 115,801.80 - Step 4: Simplify right side
352,451.40x = 61,221,759,798.78 - Step 5: Solve for x
x = 61,221,759,798.78/352,451.40 - Step 6: Final answer
x = 173,702.70
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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.