Finding the Fourth Proportional to 345,656.12, 520,351.46 and 310,896.41
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Solution
The fourth proportional to 345,656.12, 520,351.46 and 310,896.41 is: 468,024.12
Step by Step Solution
- Step 1: Write the proportion equation
345,656.12 : 520,351.46 = 310,896.41 : x - Step 2: Convert to fraction form
345,656.12/520,351.46 = 310,896.41/x - Step 3: Cross multiply
345,656.12x = 520,351.46 × 310,896.41 - Step 4: Simplify right side
345,656.12x = 161,775,400,852.26 - Step 5: Solve for x
x = 161,775,400,852.26/345,656.12 - Step 6: Final answer
x = 468,024.12
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.