Finding the Fourth Proportional to 540,707.70, 811,107.70 and 141,347.84
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Solution
The fourth proportional to 540,707.70, 811,107.70 and 141,347.84 is: 212,033.82
Step by Step Solution
- Step 1: Write the proportion equation
540,707.70 : 811,107.70 = 141,347.84 : x - Step 2: Convert to fraction form
540,707.70/811,107.70 = 141,347.84/x - Step 3: Cross multiply
540,707.70x = 811,107.70 × 141,347.84 - Step 4: Simplify right side
540,707.70x = 114,648,321,402.37 - Step 5: Solve for x
x = 114,648,321,402.37/540,707.70 - Step 6: Final answer
x = 212,033.82
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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.