Finding the Fourth Proportional to 249,797.97, 344,637.32 and 142,291.94
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Solution
The fourth proportional to 249,797.97, 344,637.32 and 142,291.94 is: 196,315.09
Step by Step Solution
- Step 1: Write the proportion equation
249,797.97 : 344,637.32 = 142,291.94 : x - Step 2: Convert to fraction form
249,797.97/344,637.32 = 142,291.94/x - Step 3: Cross multiply
249,797.97x = 344,637.32 × 142,291.94 - Step 4: Simplify right side
249,797.97x = 49,039,110,424.55 - Step 5: Solve for x
x = 49,039,110,424.55/249,797.97 - Step 6: Final answer
x = 196,315.09
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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.