Finding the Fourth Proportional to 503,869.71, 695,340.20 and 277,515.21
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Solution
The fourth proportional to 503,869.71, 695,340.20 and 277,515.21 is: 382,970.99
Step by Step Solution
- Step 1: Write the proportion equation
503,869.71 : 695,340.20 = 277,515.21 : x - Step 2: Convert to fraction form
503,869.71/695,340.20 = 277,515.21/x - Step 3: Cross multiply
503,869.71x = 695,340.20 × 277,515.21 - Step 4: Simplify right side
503,869.71x = 192,967,482,318.23 - Step 5: Solve for x
x = 192,967,482,318.23/503,869.71 - Step 6: Final answer
x = 382,970.99
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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.