Finding the Fourth Proportional to 122,299.84, 183,467.97 and 43,407.46
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Solution
The fourth proportional to 122,299.84, 183,467.97 and 43,407.46 is: 65,117.65
Step by Step Solution
- Step 1: Write the proportion equation
122,299.84 : 183,467.97 = 43,407.46 : x - Step 2: Convert to fraction form
122,299.84/183,467.97 = 43,407.46/x - Step 3: Cross multiply
122,299.84x = 183,467.97 × 43,407.46 - Step 4: Simplify right side
122,299.84x = 7,963,878,569.06 - Step 5: Solve for x
x = 7,963,878,569.06/122,299.84 - Step 6: Final answer
x = 65,117.65
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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.