Finding the Fourth Proportional to 249,439.08, 344,213.10 and 136,239.96
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Solution
The fourth proportional to 249,439.08, 344,213.10 and 136,239.96 is: 188,004.14
Step by Step Solution
- Step 1: Write the proportion equation
249,439.08 : 344,213.10 = 136,239.96 : x - Step 2: Convert to fraction form
249,439.08/344,213.10 = 136,239.96/x - Step 3: Cross multiply
249,439.08x = 344,213.10 × 136,239.96 - Step 4: Simplify right side
249,439.08x = 46,895,578,975.48 - Step 5: Solve for x
x = 46,895,578,975.48/249,439.08 - Step 6: Final answer
x = 188,004.14
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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.