Finding the Fourth Proportional to 377,139.24, 520,468.74 and 207,379.44
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Solution
The fourth proportional to 377,139.24, 520,468.74 and 207,379.44 is: 286,192.75
Step by Step Solution
- Step 1: Write the proportion equation
377,139.24 : 520,468.74 = 207,379.44 : x - Step 2: Convert to fraction form
377,139.24/520,468.74 = 207,379.44/x - Step 3: Cross multiply
377,139.24x = 520,468.74 × 207,379.44 - Step 4: Simplify right side
377,139.24x = 107,934,515,838.71 - Step 5: Solve for x
x = 107,934,515,838.71/377,139.24 - Step 6: Final answer
x = 286,192.75
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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.