Finding the Fourth Proportional to 463,203.48, 639,075.09 and 259,221.99
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Solution
The fourth proportional to 463,203.48, 639,075.09 and 259,221.99 is: 357,644.80
Step by Step Solution
- Step 1: Write the proportion equation
463,203.48 : 639,075.09 = 259,221.99 : x - Step 2: Convert to fraction form
463,203.48/639,075.09 = 259,221.99/x - Step 3: Cross multiply
463,203.48x = 639,075.09 × 259,221.99 - Step 4: Simplify right side
463,203.48x = 165,662,314,175.86 - Step 5: Solve for x
x = 165,662,314,175.86/463,203.48 - Step 6: Final answer
x = 357,644.80
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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.