Finding the Fourth Proportional to 272,733.62, 408,345.91 and 139,326.62
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Solution
The fourth proportional to 272,733.62, 408,345.91 and 139,326.62 is: 208,604.48
Step by Step Solution
- Step 1: Write the proportion equation
272,733.62 : 408,345.91 = 139,326.62 : x - Step 2: Convert to fraction form
272,733.62/408,345.91 = 139,326.62/x - Step 3: Cross multiply
272,733.62x = 408,345.91 × 139,326.62 - Step 4: Simplify right side
272,733.62x = 56,893,453,041.08 - Step 5: Solve for x
x = 56,893,453,041.08/272,733.62 - Step 6: Final answer
x = 208,604.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.