Finding the Fourth Proportional to 199,948.61, 275,898.21 and 113,896.65
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Solution
The fourth proportional to 199,948.61, 275,898.21 and 113,896.65 is: 157,159.80
Step by Step Solution
- Step 1: Write the proportion equation
199,948.61 : 275,898.21 = 113,896.65 : x - Step 2: Convert to fraction form
199,948.61/275,898.21 = 113,896.65/x - Step 3: Cross multiply
199,948.61x = 275,898.21 × 113,896.65 - Step 4: Simplify right side
199,948.61x = 31,423,881,860.00 - Step 5: Solve for x
x = 31,423,881,860.00/199,948.61 - Step 6: Final answer
x = 157,159.80
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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.