Finding the Fourth Proportional to 382,058.65, 527,252.80 and 209,973.49
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Solution
The fourth proportional to 382,058.65, 527,252.80 and 209,973.49 is: 289,769.94
Step by Step Solution
- Step 1: Write the proportion equation
382,058.65 : 527,252.80 = 209,973.49 : x - Step 2: Convert to fraction form
382,058.65/527,252.80 = 209,973.49/x - Step 3: Cross multiply
382,058.65x = 527,252.80 × 209,973.49 - Step 4: Simplify right side
382,058.65x = 110,709,109,078.91 - Step 5: Solve for x
x = 110,709,109,078.91/382,058.65 - Step 6: Final answer
x = 289,769.94
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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.