Finding the Fourth Proportional to 119,331.17, 178,878.50 and 56,037.99
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Solution
The fourth proportional to 119,331.17, 178,878.50 and 56,037.99 is: 84,001.45
Step by Step Solution
- Step 1: Write the proportion equation
119,331.17 : 178,878.50 = 56,037.99 : x - Step 2: Convert to fraction form
119,331.17/178,878.50 = 56,037.99/x - Step 3: Cross multiply
119,331.17x = 178,878.50 × 56,037.99 - Step 4: Simplify right side
119,331.17x = 10,023,990,419.63 - Step 5: Solve for x
x = 10,023,990,419.63/119,331.17 - Step 6: Final answer
x = 84,001.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.