Finding the Fourth Proportional to 357,128.24, 492,851.12 and 195,989.07
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Solution
The fourth proportional to 357,128.24, 492,851.12 and 195,989.07 is: 270,472.68
Step by Step Solution
- Step 1: Write the proportion equation
357,128.24 : 492,851.12 = 195,989.07 : x - Step 2: Convert to fraction form
357,128.24/492,851.12 = 195,989.07/x - Step 3: Cross multiply
357,128.24x = 492,851.12 × 195,989.07 - Step 4: Simplify right side
357,128.24x = 96,593,430,682.98 - Step 5: Solve for x
x = 96,593,430,682.98/357,128.24 - Step 6: Final answer
x = 270,472.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.