Finding the Fourth Proportional to 249,573.11, 344,472.12 and 142,206.60
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Solution
The fourth proportional to 249,573.11, 344,472.12 and 142,206.60 is: 196,279.99
Step by Step Solution
- Step 1: Write the proportion equation
249,573.11 : 344,472.12 = 142,206.60 : x - Step 2: Convert to fraction form
249,573.11/344,472.12 = 142,206.60/x - Step 3: Cross multiply
249,573.11x = 344,472.12 × 142,206.60 - Step 4: Simplify right side
249,573.11x = 48,986,206,902.11 - Step 5: Solve for x
x = 48,986,206,902.11/249,573.11 - Step 6: Final answer
x = 196,279.99
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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.