Finding the Fourth Proportional to 417,943.68, 626,811.84 and 196,275.84
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Solution
The fourth proportional to 417,943.68, 626,811.84 and 196,275.84 is: 294,365.07
Step by Step Solution
- Step 1: Write the proportion equation
417,943.68 : 626,811.84 = 196,275.84 : x - Step 2: Convert to fraction form
417,943.68/626,811.84 = 196,275.84/x - Step 3: Cross multiply
417,943.68x = 626,811.84 × 196,275.84 - Step 4: Simplify right side
417,943.68x = 123,028,020,417.95 - Step 5: Solve for x
x = 123,028,020,417.95/417,943.68 - Step 6: Final answer
x = 294,365.07
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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.