Finding the Fourth Proportional to 351,534.67, 485,117.67 and 190,389.70
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Solution
The fourth proportional to 351,534.67, 485,117.67 and 190,389.70 is: 262,737.69
Step by Step Solution
- Step 1: Write the proportion equation
351,534.67 : 485,117.67 = 190,389.70 : x - Step 2: Convert to fraction form
351,534.67/485,117.67 = 190,389.70/x - Step 3: Cross multiply
351,534.67x = 485,117.67 × 190,389.70 - Step 4: Simplify right side
351,534.67x = 92,361,407,656.00 - Step 5: Solve for x
x = 92,361,407,656.00/351,534.67 - Step 6: Final answer
x = 262,737.69
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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.