Finding the Fourth Proportional to 416,860.68, 575,466.11 and 279,276.51
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Solution
The fourth proportional to 416,860.68, 575,466.11 and 279,276.51 is: 385,534.48
Step by Step Solution
- Step 1: Write the proportion equation
416,860.68 : 575,466.11 = 279,276.51 : x - Step 2: Convert to fraction form
416,860.68/575,466.11 = 279,276.51/x - Step 3: Cross multiply
416,860.68x = 575,466.11 × 279,276.51 - Step 4: Simplify right side
416,860.68x = 160,714,166,824.08 - Step 5: Solve for x
x = 160,714,166,824.08/416,860.68 - Step 6: Final answer
x = 385,534.48
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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.