Finding the Fourth Proportional to 450,722.18, 621,971.97 and 246,733.64
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Solution
The fourth proportional to 450,722.18, 621,971.97 and 246,733.64 is: 340,478.94
Step by Step Solution
- Step 1: Write the proportion equation
450,722.18 : 621,971.97 = 246,733.64 : x - Step 2: Convert to fraction form
450,722.18/621,971.97 = 246,733.64/x - Step 3: Cross multiply
450,722.18x = 621,971.97 × 246,733.64 - Step 4: Simplify right side
450,722.18x = 153,461,409,931.95 - Step 5: Solve for x
x = 153,461,409,931.95/450,722.18 - Step 6: Final answer
x = 340,478.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.