Finding the Fourth Proportional to 249,622.36, 344,659.26 and 154,259.80
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Solution
The fourth proportional to 249,622.36, 344,659.26 and 154,259.80 is: 212,990.01
Step by Step Solution
- Step 1: Write the proportion equation
249,622.36 : 344,659.26 = 154,259.80 : x - Step 2: Convert to fraction form
249,622.36/344,659.26 = 154,259.80/x - Step 3: Cross multiply
249,622.36x = 344,659.26 × 154,259.80 - Step 4: Simplify right side
249,622.36x = 53,167,068,515.75 - Step 5: Solve for x
x = 53,167,068,515.75/249,622.36 - Step 6: Final answer
x = 212,990.01
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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.