Finding the Fourth Proportional to 234,203.18, 351,314.49 and 67,991.18
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Solution
The fourth proportional to 234,203.18, 351,314.49 and 67,991.18 is: 101,989.59
Step by Step Solution
- Step 1: Write the proportion equation
234,203.18 : 351,314.49 = 67,991.18 : x - Step 2: Convert to fraction form
234,203.18/351,314.49 = 67,991.18/x - Step 3: Cross multiply
234,203.18x = 351,314.49 × 67,991.18 - Step 4: Simplify right side
234,203.18x = 23,886,286,726.20 - Step 5: Solve for x
x = 23,886,286,726.20/234,203.18 - Step 6: Final answer
x = 101,989.59
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1.5x scale
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.