Finding the Fourth Proportional to 380,619.71, 571,057.02 and 124,464.09
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Solution
The fourth proportional to 380,619.71, 571,057.02 and 124,464.09 is: 186,737.81
Step by Step Solution
- Step 1: Write the proportion equation
380,619.71 : 571,057.02 = 124,464.09 : x - Step 2: Convert to fraction form
380,619.71/571,057.02 = 124,464.09/x - Step 3: Cross multiply
380,619.71x = 571,057.02 × 124,464.09 - Step 4: Simplify right side
380,619.71x = 71,076,092,332.41 - Step 5: Solve for x
x = 71,076,092,332.41/380,619.71 - Step 6: Final answer
x = 186,737.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.