Finding the Fourth Proportional to 514,301.20, 771,574.98 and 214,615.06
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Solution
The fourth proportional to 514,301.20, 771,574.98 and 214,615.06 is: 321,973.99
Step by Step Solution
- Step 1: Write the proportion equation
514,301.20 : 771,574.98 = 214,615.06 : x - Step 2: Convert to fraction form
514,301.20/771,574.98 = 214,615.06/x - Step 3: Cross multiply
514,301.20x = 771,574.98 × 214,615.06 - Step 4: Simplify right side
514,301.20x = 165,591,610,627.20 - Step 5: Solve for x
x = 165,591,610,627.20/514,301.20 - Step 6: Final answer
x = 321,973.99
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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.