Finding the Fourth Proportional to 296,536.80, 444,862.80 and 128,056.80
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Solution
The fourth proportional to 296,536.80, 444,862.80 and 128,056.80 is: 192,110.07
Step by Step Solution
- Step 1: Write the proportion equation
296,536.80 : 444,862.80 = 128,056.80 : x - Step 2: Convert to fraction form
296,536.80/444,862.80 = 128,056.80/x - Step 3: Cross multiply
296,536.80x = 444,862.80 × 128,056.80 - Step 4: Simplify right side
296,536.80x = 56,967,706,607.04 - Step 5: Solve for x
x = 56,967,706,607.04/296,536.80 - Step 6: Final answer
x = 192,110.07
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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.