Finding the Fourth Proportional to 249,917.76, 344,895.04 and 142,503.68
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Solution
The fourth proportional to 249,917.76, 344,895.04 and 142,503.68 is: 196,659.94
Step by Step Solution
- Step 1: Write the proportion equation
249,917.76 : 344,895.04 = 142,503.68 : x - Step 2: Convert to fraction form
249,917.76/344,895.04 = 142,503.68/x - Step 3: Cross multiply
249,917.76x = 344,895.04 × 142,503.68 - Step 4: Simplify right side
249,917.76x = 49,148,812,413.75 - Step 5: Solve for x
x = 49,148,812,413.75/249,917.76 - Step 6: Final answer
x = 196,659.94
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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.