Finding the Fourth Proportional to 354,267.04, 531,515.32 and 212,090.08
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Solution
The fourth proportional to 354,267.04, 531,515.32 and 212,090.08 is: 318,203.82
Step by Step Solution
- Step 1: Write the proportion equation
354,267.04 : 531,515.32 = 212,090.08 : x - Step 2: Convert to fraction form
354,267.04/531,515.32 = 212,090.08/x - Step 3: Cross multiply
354,267.04x = 531,515.32 × 212,090.08 - Step 4: Simplify right side
354,267.04x = 112,729,126,740.03 - Step 5: Solve for x
x = 112,729,126,740.03/354,267.04 - Step 6: Final answer
x = 318,203.82
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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.