Finding the Fourth Proportional to 253,617.16, 349,991.12 and 146,186.46
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Solution
The fourth proportional to 253,617.16, 349,991.12 and 146,186.46 is: 201,736.99
Step by Step Solution
- Step 1: Write the proportion equation
253,617.16 : 349,991.12 = 146,186.46 : x - Step 2: Convert to fraction form
253,617.16/349,991.12 = 146,186.46/x - Step 3: Cross multiply
253,617.16x = 349,991.12 × 146,186.46 - Step 4: Simplify right side
253,617.16x = 51,163,962,864.24 - Step 5: Solve for x
x = 51,163,962,864.24/253,617.16 - Step 6: Final answer
x = 201,736.99
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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.