Finding the Fourth Proportional to 407,959.68, 611,420.28 and 230,565.60
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Solution
The fourth proportional to 407,959.68, 611,420.28 and 230,565.60 is: 345,554.94
Step by Step Solution
- Step 1: Write the proportion equation
407,959.68 : 611,420.28 = 230,565.60 : x - Step 2: Convert to fraction form
407,959.68/611,420.28 = 230,565.60/x - Step 3: Cross multiply
407,959.68x = 611,420.28 × 230,565.60 - Step 4: Simplify right side
407,959.68x = 140,972,483,710.37 - Step 5: Solve for x
x = 140,972,483,710.37/407,959.68 - Step 6: Final answer
x = 345,554.94
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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.