Finding the Fourth Proportional to 533,142.36, 735,736.37 and 291,425.88
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Solution
The fourth proportional to 533,142.36, 735,736.37 and 291,425.88 is: 402,167.66
Step by Step Solution
- Step 1: Write the proportion equation
533,142.36 : 735,736.37 = 291,425.88 : x - Step 2: Convert to fraction form
533,142.36/735,736.37 = 291,425.88/x - Step 3: Cross multiply
533,142.36x = 735,736.37 × 291,425.88 - Step 4: Simplify right side
533,142.36x = 214,412,617,618.13 - Step 5: Solve for x
x = 214,412,617,618.13/533,142.36 - Step 6: Final answer
x = 402,167.66
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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.