Finding the Fourth Proportional to 234,133.90, 351,058.62 and 91,808.65
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Solution
The fourth proportional to 234,133.90, 351,058.62 and 91,808.65 is: 137,657.20
Step by Step Solution
- Step 1: Write the proportion equation
234,133.90 : 351,058.62 = 91,808.65 : x - Step 2: Convert to fraction form
234,133.90/351,058.62 = 91,808.65/x - Step 3: Cross multiply
234,133.90x = 351,058.62 × 91,808.65 - Step 4: Simplify right side
234,133.90x = 32,230,217,973.06 - Step 5: Solve for x
x = 32,230,217,973.06/234,133.90 - Step 6: Final answer
x = 137,657.20
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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.