Finding the Fourth Proportional to 122,294.48, 168,688.68 and 88,352.78
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Solution
The fourth proportional to 122,294.48, 168,688.68 and 88,352.78 is: 121,870.70
Step by Step Solution
- Step 1: Write the proportion equation
122,294.48 : 168,688.68 = 88,352.78 : x - Step 2: Convert to fraction form
122,294.48/168,688.68 = 88,352.78/x - Step 3: Cross multiply
122,294.48x = 168,688.68 × 88,352.78 - Step 4: Simplify right side
122,294.48x = 14,904,113,832.53 - Step 5: Solve for x
x = 14,904,113,832.53/122,294.48 - Step 6: Final answer
x = 121,870.70
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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.