Finding the Fourth Proportional to 453,399.98, 679,311.81 and 318,177.26
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Solution
The fourth proportional to 453,399.98, 679,311.81 and 318,177.26 is: 476,712.79
Step by Step Solution
- Step 1: Write the proportion equation
453,399.98 : 679,311.81 = 318,177.26 : x - Step 2: Convert to fraction form
453,399.98/679,311.81 = 318,177.26/x - Step 3: Cross multiply
453,399.98x = 679,311.81 × 318,177.26 - Step 4: Simplify right side
453,399.98x = 216,141,570,391.44 - Step 5: Solve for x
x = 216,141,570,391.44/453,399.98 - Step 6: Final answer
x = 476,712.79
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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.