Finding the Fourth Proportional to 554,889.36, 765,749.96 and 313,182.12
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Solution
The fourth proportional to 554,889.36, 765,749.96 and 313,182.12 is: 432,192.82
Step by Step Solution
- Step 1: Write the proportion equation
554,889.36 : 765,749.96 = 313,182.12 : x - Step 2: Convert to fraction form
554,889.36/765,749.96 = 313,182.12/x - Step 3: Cross multiply
554,889.36x = 765,749.96 × 313,182.12 - Step 4: Simplify right side
554,889.36x = 239,819,195,862.72 - Step 5: Solve for x
x = 239,819,195,862.72/554,889.36 - Step 6: Final answer
x = 432,192.82
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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.