Finding the Fourth Proportional to 249,787.53, 344,707.38 and 142,362.09
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Solution
The fourth proportional to 249,787.53, 344,707.38 and 142,362.09 is: 196,460.02
Step by Step Solution
- Step 1: Write the proportion equation
249,787.53 : 344,707.38 = 142,362.09 : x - Step 2: Convert to fraction form
249,787.53/344,707.38 = 142,362.09/x - Step 3: Cross multiply
249,787.53x = 344,707.38 × 142,362.09 - Step 4: Simplify right side
249,787.53x = 49,073,263,055.22 - Step 5: Solve for x
x = 49,073,263,055.22/249,787.53 - Step 6: Final answer
x = 196,460.02
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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.