Finding the Fourth Proportional to 330,376.14, 495,544.08 and 117,154.56
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Solution
The fourth proportional to 330,376.14, 495,544.08 and 117,154.56 is: 175,724.70
Step by Step Solution
- Step 1: Write the proportion equation
330,376.14 : 495,544.08 = 117,154.56 : x - Step 2: Convert to fraction form
330,376.14/495,544.08 = 117,154.56/x - Step 3: Cross multiply
330,376.14x = 495,544.08 × 117,154.56 - Step 4: Simplify right side
330,376.14x = 58,055,248,653.00 - Step 5: Solve for x
x = 58,055,248,653.00/330,376.14 - Step 6: Final answer
x = 175,724.70
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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.