Finding the Fourth Proportional to 476,549.65, 657,643.08 and 261,694.21
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Solution
The fourth proportional to 476,549.65, 657,643.08 and 261,694.21 is: 361,140.52
Step by Step Solution
- Step 1: Write the proportion equation
476,549.65 : 657,643.08 = 261,694.21 : x - Step 2: Convert to fraction form
476,549.65/657,643.08 = 261,694.21/x - Step 3: Cross multiply
476,549.65x = 657,643.08 × 261,694.21 - Step 4: Simplify right side
476,549.65x = 172,101,386,282.57 - Step 5: Solve for x
x = 172,101,386,282.57/476,549.65 - Step 6: Final answer
x = 361,140.52
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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.