Finding the Fourth Proportional to 169,130.55, 253,724.91 and 56,821.48
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Solution
The fourth proportional to 169,130.55, 253,724.91 and 56,821.48 is: 85,241.99
Step by Step Solution
- Step 1: Write the proportion equation
169,130.55 : 253,724.91 = 56,821.48 : x - Step 2: Convert to fraction form
169,130.55/253,724.91 = 56,821.48/x - Step 3: Cross multiply
169,130.55x = 253,724.91 × 56,821.48 - Step 4: Simplify right side
169,130.55x = 14,417,024,899.07 - Step 5: Solve for x
x = 14,417,024,899.07/169,130.55 - Step 6: Final answer
x = 85,241.99
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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.