Finding the Fourth Proportional to 549,106.99, 823,427.20 and 189,317.23
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Solution
The fourth proportional to 549,106.99, 823,427.20 and 189,317.23 is: 283,895.41
Step by Step Solution
- Step 1: Write the proportion equation
549,106.99 : 823,427.20 = 189,317.23 : x - Step 2: Convert to fraction form
549,106.99/823,427.20 = 189,317.23/x - Step 3: Cross multiply
549,106.99x = 823,427.20 × 189,317.23 - Step 4: Simplify right side
549,106.99x = 155,888,956,610.66 - Step 5: Solve for x
x = 155,888,956,610.66/549,106.99 - Step 6: Final answer
x = 283,895.41
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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.