Finding the Fourth Proportional to 511,750.60, 767,297.44 and 212,437.78
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Solution
The fourth proportional to 511,750.60, 767,297.44 and 212,437.78 is: 318,520.32
Step by Step Solution
- Step 1: Write the proportion equation
511,750.60 : 767,297.44 = 212,437.78 : x - Step 2: Convert to fraction form
511,750.60/767,297.44 = 212,437.78/x - Step 3: Cross multiply
511,750.60x = 767,297.44 × 212,437.78 - Step 4: Simplify right side
511,750.60x = 163,002,964,753.28 - Step 5: Solve for x
x = 163,002,964,753.28/511,750.60 - Step 6: Final answer
x = 318,520.32
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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.