Finding the Fourth Proportional to 249,448.36, 374,320.16 and 91,787.54
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Solution
The fourth proportional to 249,448.36, 374,320.16 and 91,787.54 is: 137,735.63
Step by Step Solution
- Step 1: Write the proportion equation
249,448.36 : 374,320.16 = 91,787.54 : x - Step 2: Convert to fraction form
249,448.36/374,320.16 = 91,787.54/x - Step 3: Cross multiply
249,448.36x = 374,320.16 × 91,787.54 - Step 4: Simplify right side
249,448.36x = 34,357,926,658.81 - Step 5: Solve for x
x = 34,357,926,658.81/249,448.36 - Step 6: Final answer
x = 137,735.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.