Finding the Fourth Proportional to 416,989.48, 625,444.14 and 117,465.28
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Solution
The fourth proportional to 416,989.48, 625,444.14 and 117,465.28 is: 176,186.63
Step by Step Solution
- Step 1: Write the proportion equation
416,989.48 : 625,444.14 = 117,465.28 : x - Step 2: Convert to fraction form
416,989.48/625,444.14 = 117,465.28/x - Step 3: Cross multiply
416,989.48x = 625,444.14 × 117,465.28 - Step 4: Simplify right side
416,989.48x = 73,467,971,029.46 - Step 5: Solve for x
x = 73,467,971,029.46/416,989.48 - Step 6: Final answer
x = 176,186.63
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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.