Finding the Fourth Proportional to 357,345.87, 493,368.08 and 221,524.96
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Solution
The fourth proportional to 357,345.87, 493,368.08 and 221,524.96 is: 305,847.51
Step by Step Solution
- Step 1: Write the proportion equation
357,345.87 : 493,368.08 = 221,524.96 : x - Step 2: Convert to fraction form
357,345.87/493,368.08 = 221,524.96/x - Step 3: Cross multiply
357,345.87x = 493,368.08 × 221,524.96 - Step 4: Simplify right side
357,345.87x = 109,293,344,187.28 - Step 5: Solve for x
x = 109,293,344,187.28/357,345.87 - Step 6: Final answer
x = 305,847.51
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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.