Finding the Fourth Proportional to 286,491.88, 395,382.34 and 184,729.18
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Solution
The fourth proportional to 286,491.88, 395,382.34 and 184,729.18 is: 254,941.45
Step by Step Solution
- Step 1: Write the proportion equation
286,491.88 : 395,382.34 = 184,729.18 : x - Step 2: Convert to fraction form
286,491.88/395,382.34 = 184,729.18/x - Step 3: Cross multiply
286,491.88x = 395,382.34 × 184,729.18 - Step 4: Simplify right side
286,491.88x = 73,038,655,454.68 - Step 5: Solve for x
x = 73,038,655,454.68/286,491.88 - Step 6: Final answer
x = 254,941.45
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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.