Finding the Fourth Proportional to 165,652.12, 248,283.76 and 86,803.48
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Solution
The fourth proportional to 165,652.12, 248,283.76 and 86,803.48 is: 130,103.34
Step by Step Solution
- Step 1: Write the proportion equation
165,652.12 : 248,283.76 = 86,803.48 : x - Step 2: Convert to fraction form
165,652.12/248,283.76 = 86,803.48/x - Step 3: Cross multiply
165,652.12x = 248,283.76 × 86,803.48 - Step 4: Simplify right side
165,652.12x = 21,551,894,395.48 - Step 5: Solve for x
x = 21,551,894,395.48/165,652.12 - Step 6: Final answer
x = 130,103.34
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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.