Finding the Fourth Proportional to 431,163.84, 646,588.08 and 164,792.64
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Solution
The fourth proportional to 431,163.84, 646,588.08 and 164,792.64 is: 247,128.69
Step by Step Solution
- Step 1: Write the proportion equation
431,163.84 : 646,588.08 = 164,792.64 : x - Step 2: Convert to fraction form
431,163.84/646,588.08 = 164,792.64/x - Step 3: Cross multiply
431,163.84x = 646,588.08 × 164,792.64 - Step 4: Simplify right side
431,163.84x = 106,552,956,695.73 - Step 5: Solve for x
x = 106,552,956,695.73/431,163.84 - Step 6: Final answer
x = 247,128.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.