Finding the Fourth Proportional to 351,475.79, 485,036.84 and 190,331.01
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Solution
The fourth proportional to 351,475.79, 485,036.84 and 190,331.01 is: 262,656.93
Step by Step Solution
- Step 1: Write the proportion equation
351,475.79 : 485,036.84 = 190,331.01 : x - Step 2: Convert to fraction form
351,475.79/485,036.84 = 190,331.01/x - Step 3: Cross multiply
351,475.79x = 485,036.84 × 190,331.01 - Step 4: Simplify right side
351,475.79x = 92,317,552,120.24 - Step 5: Solve for x
x = 92,317,552,120.24/351,475.79 - Step 6: Final answer
x = 262,656.93
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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.