Finding the Fourth Proportional to 162,282.76, 243,212.08 and 117,455.08
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Solution
The fourth proportional to 162,282.76, 243,212.08 and 117,455.08 is: 176,029.14
Step by Step Solution
- Step 1: Write the proportion equation
162,282.76 : 243,212.08 = 117,455.08 : x - Step 2: Convert to fraction form
162,282.76/243,212.08 = 117,455.08/x - Step 3: Cross multiply
162,282.76x = 243,212.08 × 117,455.08 - Step 4: Simplify right side
162,282.76x = 28,566,494,313.37 - Step 5: Solve for x
x = 28,566,494,313.37/162,282.76 - Step 6: Final answer
x = 176,029.14
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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.