Finding the Fourth Proportional to 377,512.19, 520,966.90 and 207,746.31
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Solution
The fourth proportional to 377,512.19, 520,966.90 and 207,746.31 is: 286,689.95
Step by Step Solution
- Step 1: Write the proportion equation
377,512.19 : 520,966.90 = 207,746.31 : x - Step 2: Convert to fraction form
377,512.19/520,966.90 = 207,746.31/x - Step 3: Cross multiply
377,512.19x = 520,966.90 × 207,746.31 - Step 4: Simplify right side
377,512.19x = 108,228,951,107.14 - Step 5: Solve for x
x = 108,228,951,107.14/377,512.19 - Step 6: Final answer
x = 286,689.95
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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.