Finding the Fourth Proportional to 233,399.12, 322,130.12 and 135,267.75
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Solution
The fourth proportional to 233,399.12, 322,130.12 and 135,267.75 is: 186,692.29
Step by Step Solution
- Step 1: Write the proportion equation
233,399.12 : 322,130.12 = 135,267.75 : x - Step 2: Convert to fraction form
233,399.12/322,130.12 = 135,267.75/x - Step 3: Cross multiply
233,399.12x = 322,130.12 × 135,267.75 - Step 4: Simplify right side
233,399.12x = 43,573,815,863.29 - Step 5: Solve for x
x = 43,573,815,863.29/233,399.12 - Step 6: Final answer
x = 186,692.29
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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.