Finding the Fourth Proportional to 370,917.60, 556,246.80 and 193,365.60
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Solution
The fourth proportional to 370,917.60, 556,246.80 and 193,365.60 is: 289,980.84
Step by Step Solution
- Step 1: Write the proportion equation
370,917.60 : 556,246.80 = 193,365.60 : x - Step 2: Convert to fraction form
370,917.60/556,246.80 = 193,365.60/x - Step 3: Cross multiply
370,917.60x = 556,246.80 × 193,365.60 - Step 4: Simplify right side
370,917.60x = 107,558,996,230.08 - Step 5: Solve for x
x = 107,558,996,230.08/370,917.60 - Step 6: Final answer
x = 289,980.84
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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.