Finding the Fourth Proportional to 377,424.18, 520,838.10 and 207,658.44
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Solution
The fourth proportional to 377,424.18, 520,838.10 and 207,658.44 is: 286,564.65
Step by Step Solution
- Step 1: Write the proportion equation
377,424.18 : 520,838.10 = 207,658.44 : x - Step 2: Convert to fraction form
377,424.18/520,838.10 = 207,658.44/x - Step 3: Cross multiply
377,424.18x = 520,838.10 × 207,658.44 - Step 4: Simplify right side
377,424.18x = 108,156,427,338.56 - Step 5: Solve for x
x = 108,156,427,338.56/377,424.18 - Step 6: Final answer
x = 286,564.65
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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.