Finding the Fourth Proportional to 330,329.62, 495,319.44 and 130,641.94
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Solution
The fourth proportional to 330,329.62, 495,319.44 and 130,641.94 is: 195,893.70
Step by Step Solution
- Step 1: Write the proportion equation
330,329.62 : 495,319.44 = 130,641.94 : x - Step 2: Convert to fraction form
330,329.62/495,319.44 = 130,641.94/x - Step 3: Cross multiply
330,329.62x = 495,319.44 × 130,641.94 - Step 4: Simplify right side
330,329.62x = 64,709,492,561.31 - Step 5: Solve for x
x = 64,709,492,561.31/330,329.62 - Step 6: Final answer
x = 195,893.70
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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.