Finding the Fourth Proportional to 456,365.18, 629,806.12 and 252,415.28
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Solution
The fourth proportional to 456,365.18, 629,806.12 and 252,415.28 is: 348,345.35
Step by Step Solution
- Step 1: Write the proportion equation
456,365.18 : 629,806.12 = 252,415.28 : x - Step 2: Convert to fraction form
456,365.18/629,806.12 = 252,415.28/x - Step 3: Cross multiply
456,365.18x = 629,806.12 × 252,415.28 - Step 4: Simplify right side
456,365.18x = 158,972,688,125.51 - Step 5: Solve for x
x = 158,972,688,125.51/456,365.18 - Step 6: Final answer
x = 348,345.35
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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.