Finding the Fourth Proportional to 249,441.99, 344,230.26 and 142,012.02
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Solution
The fourth proportional to 249,441.99, 344,230.26 and 142,012.02 is: 195,976.77
Step by Step Solution
- Step 1: Write the proportion equation
249,441.99 : 344,230.26 = 142,012.02 : x - Step 2: Convert to fraction form
249,441.99/344,230.26 = 142,012.02/x - Step 3: Cross multiply
249,441.99x = 344,230.26 × 142,012.02 - Step 4: Simplify right side
249,441.99x = 48,884,834,567.73 - Step 5: Solve for x
x = 48,884,834,567.73/249,441.99 - Step 6: Final answer
x = 195,976.77
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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.