Finding the Fourth Proportional to 165,319.60, 248,497.80 and 162,209.20
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Solution
The fourth proportional to 165,319.60, 248,497.80 and 162,209.20 is: 243,822.45
Step by Step Solution
- Step 1: Write the proportion equation
165,319.60 : 248,497.80 = 162,209.20 : x - Step 2: Convert to fraction form
165,319.60/248,497.80 = 162,209.20/x - Step 3: Cross multiply
165,319.60x = 248,497.80 × 162,209.20 - Step 4: Simplify right side
165,319.60x = 40,308,629,339.76 - Step 5: Solve for x
x = 40,308,629,339.76/165,319.60 - Step 6: Final answer
x = 243,822.45
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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.