Finding the Fourth Proportional to 339,955.48, 509,703.14 and 190,299.06
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Solution
The fourth proportional to 339,955.48, 509,703.14 and 190,299.06 is: 285,319.80
Step by Step Solution
- Step 1: Write the proportion equation
339,955.48 : 509,703.14 = 190,299.06 : x - Step 2: Convert to fraction form
339,955.48/509,703.14 = 190,299.06/x - Step 3: Cross multiply
339,955.48x = 509,703.14 × 190,299.06 - Step 4: Simplify right side
339,955.48x = 96,996,028,421.05 - Step 5: Solve for x
x = 96,996,028,421.05/339,955.48 - Step 6: Final answer
x = 285,319.80
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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.