Finding the Fourth Proportional to 549,129.18, 823,378.40 and 292,645.98
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Solution
The fourth proportional to 549,129.18, 823,378.40 and 292,645.98 is: 438,800.90
Step by Step Solution
- Step 1: Write the proportion equation
549,129.18 : 823,378.40 = 292,645.98 : x - Step 2: Convert to fraction form
549,129.18/823,378.40 = 292,645.98/x - Step 3: Cross multiply
549,129.18x = 823,378.40 × 292,645.98 - Step 4: Simplify right side
549,129.18x = 240,958,377,315.60 - Step 5: Solve for x
x = 240,958,377,315.60/549,129.18 - Step 6: Final answer
x = 438,800.90
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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.