Finding the Fourth Proportional to 249,739.14, 344,673.81 and 140,865.81
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Solution
The fourth proportional to 249,739.14, 344,673.81 and 140,865.81 is: 194,413.88
Step by Step Solution
- Step 1: Write the proportion equation
249,739.14 : 344,673.81 = 140,865.81 : x - Step 2: Convert to fraction form
249,739.14/344,673.81 = 140,865.81/x - Step 3: Cross multiply
249,739.14x = 344,673.81 × 140,865.81 - Step 4: Simplify right side
249,739.14x = 48,552,755,431.44 - Step 5: Solve for x
x = 48,552,755,431.44/249,739.14 - Step 6: Final answer
x = 194,413.88
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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.