Finding the Fourth Proportional to 249,617.16, 344,471.81 and 142,197.26
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Solution
The fourth proportional to 249,617.16, 344,471.81 and 142,197.26 is: 196,232.28
Step by Step Solution
- Step 1: Write the proportion equation
249,617.16 : 344,471.81 = 142,197.26 : x - Step 2: Convert to fraction form
249,617.16/344,471.81 = 142,197.26/x - Step 3: Cross multiply
249,617.16x = 344,471.81 × 142,197.26 - Step 4: Simplify right side
249,617.16x = 48,982,945,095.90 - Step 5: Solve for x
x = 48,982,945,095.90/249,617.16 - Step 6: Final answer
x = 196,232.28
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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.