Finding the Fourth Proportional to 330,772.16, 495,532.18 and 195,431.48
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Solution
The fourth proportional to 330,772.16, 495,532.18 and 195,431.48 is: 292,777.32
Step by Step Solution
- Step 1: Write the proportion equation
330,772.16 : 495,532.18 = 195,431.48 : x - Step 2: Convert to fraction form
330,772.16/495,532.18 = 195,431.48/x - Step 3: Cross multiply
330,772.16x = 495,532.18 × 195,431.48 - Step 4: Simplify right side
330,772.16x = 96,842,587,325.03 - Step 5: Solve for x
x = 96,842,587,325.03/330,772.16 - Step 6: Final answer
x = 292,777.32
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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.