Finding the Fourth Proportional to 148,760.94, 205,282.71 and 84,220.14
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Solution
The fourth proportional to 148,760.94, 205,282.71 and 84,220.14 is: 116,219.61
Step by Step Solution
- Step 1: Write the proportion equation
148,760.94 : 205,282.71 = 84,220.14 : x - Step 2: Convert to fraction form
148,760.94/205,282.71 = 84,220.14/x - Step 3: Cross multiply
148,760.94x = 205,282.71 × 84,220.14 - Step 4: Simplify right side
148,760.94x = 17,288,938,575.78 - Step 5: Solve for x
x = 17,288,938,575.78/148,760.94 - Step 6: Final answer
x = 116,219.61
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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.