Finding the Fourth Proportional to 414,959.68, 571,439.37 and 360,487.18
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Solution
The fourth proportional to 414,959.68, 571,439.37 and 360,487.18 is: 496,425.50
Step by Step Solution
- Step 1: Write the proportion equation
414,959.68 : 571,439.37 = 360,487.18 : x - Step 2: Convert to fraction form
414,959.68/571,439.37 = 360,487.18/x - Step 3: Cross multiply
414,959.68x = 571,439.37 × 360,487.18 - Step 4: Simplify right side
414,959.68x = 205,996,567,032.28 - Step 5: Solve for x
x = 205,996,567,032.28/414,959.68 - Step 6: Final answer
x = 496,425.50
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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.