Finding the Fourth Proportional to 377,366.65, 520,779.58 and 216,252.84
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Solution
The fourth proportional to 377,366.65, 520,779.58 and 216,252.84 is: 298,436.71
Step by Step Solution
- Step 1: Write the proportion equation
377,366.65 : 520,779.58 = 216,252.84 : x - Step 2: Convert to fraction form
377,366.65/520,779.58 = 216,252.84/x - Step 3: Cross multiply
377,366.65x = 520,779.58 × 216,252.84 - Step 4: Simplify right side
377,366.65x = 112,620,061,671.91 - Step 5: Solve for x
x = 112,620,061,671.91/377,366.65 - Step 6: Final answer
x = 298,436.71
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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.