Finding the Fourth Proportional to 155,562.48, 214,620.07 and 101,878.11
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Solution
The fourth proportional to 155,562.48, 214,620.07 and 101,878.11 is: 140,555.02
Step by Step Solution
- Step 1: Write the proportion equation
155,562.48 : 214,620.07 = 101,878.11 : x - Step 2: Convert to fraction form
155,562.48/214,620.07 = 101,878.11/x - Step 3: Cross multiply
155,562.48x = 214,620.07 × 101,878.11 - Step 4: Simplify right side
155,562.48x = 21,865,087,099.67 - Step 5: Solve for x
x = 21,865,087,099.67/155,562.48 - Step 6: Final answer
x = 140,555.02
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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.