Finding the Fourth Proportional to 249,631.92, 344,516.18 and 147,690.14
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Solution
The fourth proportional to 249,631.92, 344,516.18 and 147,690.14 is: 203,826.66
Step by Step Solution
- Step 1: Write the proportion equation
249,631.92 : 344,516.18 = 147,690.14 : x - Step 2: Convert to fraction form
249,631.92/344,516.18 = 147,690.14/x - Step 3: Cross multiply
249,631.92x = 344,516.18 × 147,690.14 - Step 4: Simplify right side
249,631.92x = 50,881,640,395.43 - Step 5: Solve for x
x = 50,881,640,395.43/249,631.92 - Step 6: Final answer
x = 203,826.66
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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.