Finding the Fourth Proportional to 371,894.15, 513,211.95 and 210,779.69
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Solution
The fourth proportional to 371,894.15, 513,211.95 and 210,779.69 is: 290,874.84
Step by Step Solution
- Step 1: Write the proportion equation
371,894.15 : 513,211.95 = 210,779.69 : x - Step 2: Convert to fraction form
371,894.15/513,211.95 = 210,779.69/x - Step 3: Cross multiply
371,894.15x = 513,211.95 × 210,779.69 - Step 4: Simplify right side
371,894.15x = 108,174,653,159.24 - Step 5: Solve for x
x = 108,174,653,159.24/371,894.15 - Step 6: Final answer
x = 290,874.84
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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.