Finding the Fourth Proportional to 293,817.84, 440,782.08 and 209,368.50
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Solution
The fourth proportional to 293,817.84, 440,782.08 and 209,368.50 is: 314,092.17
Step by Step Solution
- Step 1: Write the proportion equation
293,817.84 : 440,782.08 = 209,368.50 : x - Step 2: Convert to fraction form
293,817.84/440,782.08 = 209,368.50/x - Step 3: Cross multiply
293,817.84x = 440,782.08 × 209,368.50 - Step 4: Simplify right side
293,817.84x = 92,285,882,916.48 - Step 5: Solve for x
x = 92,285,882,916.48/293,817.84 - Step 6: Final answer
x = 314,092.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.