Finding the Fourth Proportional to 343,837.53, 474,488.28 and 190,866.78
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Solution
The fourth proportional to 343,837.53, 474,488.28 and 190,866.78 is: 263,391.99
Step by Step Solution
- Step 1: Write the proportion equation
343,837.53 : 474,488.28 = 190,866.78 : x - Step 2: Convert to fraction form
343,837.53/474,488.28 = 190,866.78/x - Step 3: Cross multiply
343,837.53x = 474,488.28 × 190,866.78 - Step 4: Simplify right side
343,837.53x = 90,564,050,151.34 - Step 5: Solve for x
x = 90,564,050,151.34/343,837.53 - Step 6: Final answer
x = 263,391.99
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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.