Finding the Fourth Proportional to 380,618.71, 571,055.52 and 124,463.09
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Solution
The fourth proportional to 380,618.71, 571,055.52 and 124,463.09 is: 186,736.31
Step by Step Solution
- Step 1: Write the proportion equation
380,618.71 : 571,055.52 = 124,463.09 : x - Step 2: Convert to fraction form
380,618.71/571,055.52 = 124,463.09/x - Step 3: Cross multiply
380,618.71x = 571,055.52 × 124,463.09 - Step 4: Simplify right side
380,618.71x = 71,075,334,580.76 - Step 5: Solve for x
x = 71,075,334,580.76/380,618.71 - Step 6: Final answer
x = 186,736.31
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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.