Finding the Fourth Proportional to 249,609.34, 344,413.11 and 142,177.02
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Solution
The fourth proportional to 249,609.34, 344,413.11 and 142,177.02 is: 196,177.07
Step by Step Solution
- Step 1: Write the proportion equation
249,609.34 : 344,413.11 = 142,177.02 : x - Step 2: Convert to fraction form
249,609.34/344,413.11 = 142,177.02/x - Step 3: Cross multiply
249,609.34x = 344,413.11 × 142,177.02 - Step 4: Simplify right side
249,609.34x = 48,967,629,628.73 - Step 5: Solve for x
x = 48,967,629,628.73/249,609.34 - Step 6: Final answer
x = 196,177.07
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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.