Finding the Fourth Proportional to 372,509.29, 514,161.68 and 229,389.28
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Solution
The fourth proportional to 372,509.29, 514,161.68 and 229,389.28 is: 316,618.08
Step by Step Solution
- Step 1: Write the proportion equation
372,509.29 : 514,161.68 = 229,389.28 : x - Step 2: Convert to fraction form
372,509.29/514,161.68 = 229,389.28/x - Step 3: Cross multiply
372,509.29x = 514,161.68 × 229,389.28 - Step 4: Simplify right side
372,509.29x = 117,943,175,146.44 - Step 5: Solve for x
x = 117,943,175,146.44/372,509.29 - Step 6: Final answer
x = 316,618.08
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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.