Finding the Fourth Proportional to 453,099.99, 679,606.11 and 137,559.63
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Solution
The fourth proportional to 453,099.99, 679,606.11 and 137,559.63 is: 206,326.12
Step by Step Solution
- Step 1: Write the proportion equation
453,099.99 : 679,606.11 = 137,559.63 : x - Step 2: Convert to fraction form
453,099.99/679,606.11 = 137,559.63/x - Step 3: Cross multiply
453,099.99x = 679,606.11 × 137,559.63 - Step 4: Simplify right side
453,099.99x = 93,486,365,037.34 - Step 5: Solve for x
x = 93,486,365,037.34/453,099.99 - Step 6: Final answer
x = 206,326.12
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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.