Finding the Fourth Proportional to 162,689.04, 224,485.02 and 91,072.08
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Solution
The fourth proportional to 162,689.04, 224,485.02 and 91,072.08 is: 125,665.00
Step by Step Solution
- Step 1: Write the proportion equation
162,689.04 : 224,485.02 = 91,072.08 : x - Step 2: Convert to fraction form
162,689.04/224,485.02 = 91,072.08/x - Step 3: Cross multiply
162,689.04x = 224,485.02 × 91,072.08 - Step 4: Simplify right side
162,689.04x = 20,444,317,700.24 - Step 5: Solve for x
x = 20,444,317,700.24/162,689.04 - Step 6: Final answer
x = 125,665.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.