Finding the Fourth Proportional to 428,989.24, 592,033.14 and 247,708.80
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Solution
The fourth proportional to 428,989.24, 592,033.14 and 247,708.80 is: 341,854.31
Step by Step Solution
- Step 1: Write the proportion equation
428,989.24 : 592,033.14 = 247,708.80 : x - Step 2: Convert to fraction form
428,989.24/592,033.14 = 247,708.80/x - Step 3: Cross multiply
428,989.24x = 592,033.14 × 247,708.80 - Step 4: Simplify right side
428,989.24x = 146,651,818,669.63 - Step 5: Solve for x
x = 146,651,818,669.63/428,989.24 - Step 6: Final answer
x = 341,854.31
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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.