Finding the Fourth Proportional to 330,713.19, 495,950.67 and 114,513.17
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Solution
The fourth proportional to 330,713.19, 495,950.67 and 114,513.17 is: 171,728.50
Step by Step Solution
- Step 1: Write the proportion equation
330,713.19 : 495,950.67 = 114,513.17 : x - Step 2: Convert to fraction form
330,713.19/495,950.67 = 114,513.17/x - Step 3: Cross multiply
330,713.19x = 495,950.67 × 114,513.17 - Step 4: Simplify right side
330,713.19x = 56,792,880,905.57 - Step 5: Solve for x
x = 56,792,880,905.57/330,713.19 - Step 6: Final answer
x = 171,728.50
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1.5x scale
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.