Finding the Fourth Proportional to 357,217.84, 535,826.68 and 107,899.84
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Solution
The fourth proportional to 357,217.84, 535,826.68 and 107,899.84 is: 161,849.74
Step by Step Solution
- Step 1: Write the proportion equation
357,217.84 : 535,826.68 = 107,899.84 : x - Step 2: Convert to fraction form
357,217.84/535,826.68 = 107,899.84/x - Step 3: Cross multiply
357,217.84x = 535,826.68 × 107,899.84 - Step 4: Simplify right side
357,217.84x = 57,815,613,039.73 - Step 5: Solve for x
x = 57,815,613,039.73/357,217.84 - Step 6: Final answer
x = 161,849.74
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1.5x scale
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.