Finding the Fourth Proportional to 117,267.66, 161,829.50 and 63,552.68
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Solution
The fourth proportional to 117,267.66, 161,829.50 and 63,552.68 is: 87,702.77
Step by Step Solution
- Step 1: Write the proportion equation
117,267.66 : 161,829.50 = 63,552.68 : x - Step 2: Convert to fraction form
117,267.66/161,829.50 = 63,552.68/x - Step 3: Cross multiply
117,267.66x = 161,829.50 × 63,552.68 - Step 4: Simplify right side
117,267.66x = 10,284,698,428.06 - Step 5: Solve for x
x = 10,284,698,428.06/117,267.66 - Step 6: Final answer
x = 87,702.77
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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.