Finding the Fourth Proportional to 351,149.92, 484,502.61 and 213,326.09
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Solution
The fourth proportional to 351,149.92, 484,502.61 and 213,326.09 is: 294,338.80
Step by Step Solution
- Step 1: Write the proportion equation
351,149.92 : 484,502.61 = 213,326.09 : x - Step 2: Convert to fraction form
351,149.92/484,502.61 = 213,326.09/x - Step 3: Cross multiply
351,149.92x = 484,502.61 × 213,326.09 - Step 4: Simplify right side
351,149.92x = 103,357,047,386.10 - Step 5: Solve for x
x = 103,357,047,386.10/351,149.92 - Step 6: Final answer
x = 294,338.80
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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.