Finding the Fourth Proportional to 477,364.55, 715,993.36 and 122,386.91
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Solution
The fourth proportional to 477,364.55, 715,993.36 and 122,386.91 is: 183,566.65
Step by Step Solution
- Step 1: Write the proportion equation
477,364.55 : 715,993.36 = 122,386.91 : x - Step 2: Convert to fraction form
477,364.55/715,993.36 = 122,386.91/x - Step 3: Cross multiply
477,364.55x = 715,993.36 × 122,386.91 - Step 4: Simplify right side
477,364.55x = 87,628,211,024.98 - Step 5: Solve for x
x = 87,628,211,024.98/477,364.55 - Step 6: Final answer
x = 183,566.65
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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.