Finding the Fourth Proportional to 239,952.58, 330,984.43 and 143,088.53
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Solution
The fourth proportional to 239,952.58, 330,984.43 and 143,088.53 is: 197,372.64
Step by Step Solution
- Step 1: Write the proportion equation
239,952.58 : 330,984.43 = 143,088.53 : x - Step 2: Convert to fraction form
239,952.58/330,984.43 = 143,088.53/x - Step 3: Cross multiply
239,952.58x = 330,984.43 × 143,088.53 - Step 4: Simplify right side
239,952.58x = 47,360,073,528.94 - Step 5: Solve for x
x = 47,360,073,528.94/239,952.58 - Step 6: Final answer
x = 197,372.64
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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.