Finding the Fourth Proportional to 509,502.60, 764,261.16 and 193,976.82
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Solution
The fourth proportional to 509,502.60, 764,261.16 and 193,976.82 is: 290,967.99
Step by Step Solution
- Step 1: Write the proportion equation
509,502.60 : 764,261.16 = 193,976.82 : x - Step 2: Convert to fraction form
509,502.60/764,261.16 = 193,976.82/x - Step 3: Cross multiply
509,502.60x = 764,261.16 × 193,976.82 - Step 4: Simplify right side
509,502.60x = 148,248,949,466.31 - Step 5: Solve for x
x = 148,248,949,466.31/509,502.60 - Step 6: Final answer
x = 290,967.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.