Finding the Fourth Proportional to 416,110.63, 574,820.54 and 331,118.95
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Solution
The fourth proportional to 416,110.63, 574,820.54 and 331,118.95 is: 457,411.95
Step by Step Solution
- Step 1: Write the proportion equation
416,110.63 : 574,820.54 = 331,118.95 : x - Step 2: Convert to fraction form
416,110.63/574,820.54 = 331,118.95/x - Step 3: Cross multiply
416,110.63x = 574,820.54 × 331,118.95 - Step 4: Simplify right side
416,110.63x = 190,333,973,643.23 - Step 5: Solve for x
x = 190,333,973,643.23/416,110.63 - Step 6: Final answer
x = 457,411.95
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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.