Finding the Fourth Proportional to 545,686.11, 753,054.84 and 316,260.36
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Solution
The fourth proportional to 545,686.11, 753,054.84 and 316,260.36 is: 436,443.94
Step by Step Solution
- Step 1: Write the proportion equation
545,686.11 : 753,054.84 = 316,260.36 : x - Step 2: Convert to fraction form
545,686.11/753,054.84 = 316,260.36/x - Step 3: Cross multiply
545,686.11x = 753,054.84 × 316,260.36 - Step 4: Simplify right side
545,686.11x = 238,161,394,798.14 - Step 5: Solve for x
x = 238,161,394,798.14/545,686.11 - Step 6: Final answer
x = 436,443.94
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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.