Finding the Fourth Proportional to 738,587.60, 1,107,881.40 and 239,951.60
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Solution
The fourth proportional to 738,587.60, 1,107,881.40 and 239,951.60 is: 359,927.40
Step by Step Solution
- Step 1: Write the proportion equation
738,587.60 : 1,107,881.40 = 239,951.60 : x - Step 2: Convert to fraction form
738,587.60/1,107,881.40 = 239,951.60/x - Step 3: Cross multiply
738,587.60x = 1,107,881.40 × 239,951.60 - Step 4: Simplify right side
738,587.60x = 265,837,914,540.24 - Step 5: Solve for x
x = 265,837,914,540.24/738,587.60 - Step 6: Final answer
x = 359,927.40
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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.