Finding the Fourth Proportional to 117,646.02, 162,352.50 and 63,931.08
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Solution
The fourth proportional to 117,646.02, 162,352.50 and 63,931.08 is: 88,225.43
Step by Step Solution
- Step 1: Write the proportion equation
117,646.02 : 162,352.50 = 63,931.08 : x - Step 2: Convert to fraction form
117,646.02/162,352.50 = 63,931.08/x - Step 3: Cross multiply
117,646.02x = 162,352.50 × 63,931.08 - Step 4: Simplify right side
117,646.02x = 10,379,370,665.70 - Step 5: Solve for x
x = 10,379,370,665.70/117,646.02 - Step 6: Final answer
x = 88,225.43
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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.