Finding the Fourth Proportional to 226,947.84, 340,421.76 and 86,720.64
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Solution
The fourth proportional to 226,947.84, 340,421.76 and 86,720.64 is: 130,080.96
Step by Step Solution
- Step 1: Write the proportion equation
226,947.84 : 340,421.76 = 86,720.64 : x - Step 2: Convert to fraction form
226,947.84/340,421.76 = 86,720.64/x - Step 3: Cross multiply
226,947.84x = 340,421.76 × 86,720.64 - Step 4: Simplify right side
226,947.84x = 29,521,592,897.13 - Step 5: Solve for x
x = 29,521,592,897.13/226,947.84 - Step 6: Final answer
x = 130,080.96
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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.