Finding the Fourth Proportional to 398,796.84, 596,790.11 and 249,107.63
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Solution
The fourth proportional to 398,796.84, 596,790.11 and 249,107.63 is: 372,783.72
Step by Step Solution
- Step 1: Write the proportion equation
398,796.84 : 596,790.11 = 249,107.63 : x - Step 2: Convert to fraction form
398,796.84/596,790.11 = 249,107.63/x - Step 3: Cross multiply
398,796.84x = 596,790.11 × 249,107.63 - Step 4: Simplify right side
398,796.84x = 148,664,967,548.36 - Step 5: Solve for x
x = 148,664,967,548.36/398,796.84 - Step 6: Final answer
x = 372,783.72
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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.