Finding the Fourth Proportional to 487,950.65, 673,291.53 and 306,534.08
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Solution
The fourth proportional to 487,950.65, 673,291.53 and 306,534.08 is: 422,966.54
Step by Step Solution
- Step 1: Write the proportion equation
487,950.65 : 673,291.53 = 306,534.08 : x - Step 2: Convert to fraction form
487,950.65/673,291.53 = 306,534.08/x - Step 3: Cross multiply
487,950.65x = 673,291.53 × 306,534.08 - Step 4: Simplify right side
487,950.65x = 206,386,796,353.89 - Step 5: Solve for x
x = 206,386,796,353.89/487,950.65 - Step 6: Final answer
x = 422,966.54
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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.