Finding the Fourth Proportional to 377,509.05, 521,037.09 and 216,472.95
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Solution
The fourth proportional to 377,509.05, 521,037.09 and 216,472.95 is: 298,775.45
Step by Step Solution
- Step 1: Write the proportion equation
377,509.05 : 521,037.09 = 216,472.95 : x - Step 2: Convert to fraction form
377,509.05/521,037.09 = 216,472.95/x - Step 3: Cross multiply
377,509.05x = 521,037.09 × 216,472.95 - Step 4: Simplify right side
377,509.05x = 112,790,435,931.72 - Step 5: Solve for x
x = 112,790,435,931.72/377,509.05 - Step 6: Final answer
x = 298,775.45
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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.