Finding the Fourth Proportional to 402,488.93, 603,754.07 and 102,972.09
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Solution
The fourth proportional to 402,488.93, 603,754.07 and 102,972.09 is: 154,463.43
Step by Step Solution
- Step 1: Write the proportion equation
402,488.93 : 603,754.07 = 102,972.09 : x - Step 2: Convert to fraction form
402,488.93/603,754.07 = 102,972.09/x - Step 3: Cross multiply
402,488.93x = 603,754.07 × 102,972.09 - Step 4: Simplify right side
402,488.93x = 62,169,817,919.05 - Step 5: Solve for x
x = 62,169,817,919.05/402,488.93 - Step 6: Final answer
x = 154,463.43
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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.