Finding the Fourth Proportional to 162,130.14, 243,564.27 and 117,289.81
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Solution
The fourth proportional to 162,130.14, 243,564.27 and 117,289.81 is: 176,201.69
Step by Step Solution
- Step 1: Write the proportion equation
162,130.14 : 243,564.27 = 117,289.81 : x - Step 2: Convert to fraction form
162,130.14/243,564.27 = 117,289.81/x - Step 3: Cross multiply
162,130.14x = 243,564.27 × 117,289.81 - Step 4: Simplify right side
162,130.14x = 28,567,605,440.04 - Step 5: Solve for x
x = 28,567,605,440.04/162,130.14 - Step 6: Final answer
x = 176,201.69
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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.