Finding the Fourth Proportional to 343,849.86, 474,488.99 and 190,875.96
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Solution
The fourth proportional to 343,849.86, 474,488.99 and 190,875.96 is: 263,395.60
Step by Step Solution
- Step 1: Write the proportion equation
343,849.86 : 474,488.99 = 190,875.96 : x - Step 2: Convert to fraction form
343,849.86/474,488.99 = 190,875.96/x - Step 3: Cross multiply
343,849.86x = 474,488.99 × 190,875.96 - Step 4: Simplify right side
343,849.86x = 90,568,541,237.09 - Step 5: Solve for x
x = 90,568,541,237.09/343,849.86 - Step 6: Final answer
x = 263,395.60
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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.