Finding the Fourth Proportional to 750,732.09, 1,126,098.14 and 189,766.59
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Solution
The fourth proportional to 750,732.09, 1,126,098.14 and 189,766.59 is: 284,649.89
Step by Step Solution
- Step 1: Write the proportion equation
750,732.09 : 1,126,098.14 = 189,766.59 : x - Step 2: Convert to fraction form
750,732.09/1,126,098.14 = 189,766.59/x - Step 3: Cross multiply
750,732.09x = 1,126,098.14 × 189,766.59 - Step 4: Simplify right side
750,732.09x = 213,695,803,084.31 - Step 5: Solve for x
x = 213,695,803,084.31/750,732.09 - Step 6: Final answer
x = 284,649.89
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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.