Finding the Fourth Proportional to 453,043.12, 679,560.36 and 120,619.12
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Solution
The fourth proportional to 453,043.12, 679,560.36 and 120,619.12 is: 180,927.53
Step by Step Solution
- Step 1: Write the proportion equation
453,043.12 : 679,560.36 = 120,619.12 : x - Step 2: Convert to fraction form
453,043.12/679,560.36 = 120,619.12/x - Step 3: Cross multiply
453,043.12x = 679,560.36 × 120,619.12 - Step 4: Simplify right side
453,043.12x = 81,967,972,610.08 - Step 5: Solve for x
x = 81,967,972,610.08/453,043.12 - Step 6: Final answer
x = 180,927.53
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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.