Finding the Fourth Proportional to 503,369.79, 755,171.46 and 166,389.99
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Solution
The fourth proportional to 503,369.79, 755,171.46 and 166,389.99 is: 249,623.59
Step by Step Solution
- Step 1: Write the proportion equation
503,369.79 : 755,171.46 = 166,389.99 : x - Step 2: Convert to fraction form
503,369.79/755,171.46 = 166,389.99/x - Step 3: Cross multiply
503,369.79x = 755,171.46 × 166,389.99 - Step 4: Simplify right side
503,369.79x = 125,652,971,677.69 - Step 5: Solve for x
x = 125,652,971,677.69/503,369.79 - Step 6: Final answer
x = 249,623.59
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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.