Finding the Fourth Proportional to 249,214.80, 343,923.84 and 141,764.88
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Solution
The fourth proportional to 249,214.80, 343,923.84 and 141,764.88 is: 195,639.75
Step by Step Solution
- Step 1: Write the proportion equation
249,214.80 : 343,923.84 = 141,764.88 : x - Step 2: Convert to fraction form
249,214.80/343,923.84 = 141,764.88/x - Step 3: Cross multiply
249,214.80x = 343,923.84 × 141,764.88 - Step 4: Simplify right side
249,214.80x = 48,756,321,906.74 - Step 5: Solve for x
x = 48,756,321,906.74/249,214.80 - Step 6: Final answer
x = 195,639.75
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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.