Finding the Fourth Proportional to 351,533.91, 485,116.63 and 190,388.95
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Solution
The fourth proportional to 351,533.91, 485,116.63 and 190,388.95 is: 262,736.66
Step by Step Solution
- Step 1: Write the proportion equation
351,533.91 : 485,116.63 = 190,388.95 : x - Step 2: Convert to fraction form
351,533.91/485,116.63 = 190,388.95/x - Step 3: Cross multiply
351,533.91x = 485,116.63 × 190,388.95 - Step 4: Simplify right side
351,533.91x = 92,360,845,813.24 - Step 5: Solve for x
x = 92,360,845,813.24/351,533.91 - Step 6: Final answer
x = 262,736.66
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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.