Finding the Fourth Proportional to 308,320.84, 425,551.35 and 187,436.50
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Solution
The fourth proportional to 308,320.84, 425,551.35 and 187,436.50 is: 258,704.07
Step by Step Solution
- Step 1: Write the proportion equation
308,320.84 : 425,551.35 = 187,436.50 : x - Step 2: Convert to fraction form
308,320.84/425,551.35 = 187,436.50/x - Step 3: Cross multiply
308,320.84x = 425,551.35 × 187,436.50 - Step 4: Simplify right side
308,320.84x = 79,763,855,614.28 - Step 5: Solve for x
x = 79,763,855,614.28/308,320.84 - Step 6: Final answer
x = 258,704.07
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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.