Finding the Fourth Proportional to 219,459.84, 302,850.93 and 122,665.96
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Solution
The fourth proportional to 219,459.84, 302,850.93 and 122,665.96 is: 169,276.99
Step by Step Solution
- Step 1: Write the proportion equation
219,459.84 : 302,850.93 = 122,665.96 : x - Step 2: Convert to fraction form
219,459.84/302,850.93 = 122,665.96/x - Step 3: Cross multiply
219,459.84x = 302,850.93 × 122,665.96 - Step 4: Simplify right side
219,459.84x = 37,149,500,065.34 - Step 5: Solve for x
x = 37,149,500,065.34/219,459.84 - Step 6: Final answer
x = 169,276.99
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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.