Finding the Fourth Proportional to 249,370.36, 344,133.28 and 141,947.30
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Solution
The fourth proportional to 249,370.36, 344,133.28 and 141,947.30 is: 195,888.52
Step by Step Solution
- Step 1: Write the proportion equation
249,370.36 : 344,133.28 = 141,947.30 : x - Step 2: Convert to fraction form
249,370.36/344,133.28 = 141,947.30/x - Step 3: Cross multiply
249,370.36x = 344,133.28 × 141,947.30 - Step 4: Simplify right side
249,370.36x = 48,848,789,936.14 - Step 5: Solve for x
x = 48,848,789,936.14/249,370.36 - Step 6: Final answer
x = 195,888.52
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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.