Finding the Fourth Proportional to 357,207.91, 535,671.77 and 143,935.99
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Solution
The fourth proportional to 357,207.91, 535,671.77 and 143,935.99 is: 215,847.53
Step by Step Solution
- Step 1: Write the proportion equation
357,207.91 : 535,671.77 = 143,935.99 : x - Step 2: Convert to fraction form
357,207.91/535,671.77 = 143,935.99/x - Step 3: Cross multiply
357,207.91x = 535,671.77 × 143,935.99 - Step 4: Simplify right side
357,207.91x = 77,102,444,471.14 - Step 5: Solve for x
x = 77,102,444,471.14/357,207.91 - Step 6: Final answer
x = 215,847.53
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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.