Finding the Fourth Proportional to 366,959.99, 550,491.02 and 130,246.40
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Solution
The fourth proportional to 366,959.99, 550,491.02 and 130,246.40 is: 195,387.71
Step by Step Solution
- Step 1: Write the proportion equation
366,959.99 : 550,491.02 = 130,246.40 : x - Step 2: Convert to fraction form
366,959.99/550,491.02 = 130,246.40/x - Step 3: Cross multiply
366,959.99x = 550,491.02 × 130,246.40 - Step 4: Simplify right side
366,959.99x = 71,699,473,587.33 - Step 5: Solve for x
x = 71,699,473,587.33/366,959.99 - Step 6: Final answer
x = 195,387.71
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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.