Finding the Fourth Proportional to 230,246.94, 317,653.44 and 139,569.84
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Solution
The fourth proportional to 230,246.94, 317,653.44 and 139,569.84 is: 192,553.44
Step by Step Solution
- Step 1: Write the proportion equation
230,246.94 : 317,653.44 = 139,569.84 : x - Step 2: Convert to fraction form
230,246.94/317,653.44 = 139,569.84/x - Step 3: Cross multiply
230,246.94x = 317,653.44 × 139,569.84 - Step 4: Simplify right side
230,246.94x = 44,334,839,796.25 - Step 5: Solve for x
x = 44,334,839,796.25/230,246.94 - Step 6: Final answer
x = 192,553.44
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1.5x scale
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.