Finding the Fourth Proportional to 288,726.84, 433,177.74 and 130,912.92
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Solution
The fourth proportional to 288,726.84, 433,177.74 and 130,912.92 is: 196,409.04
Step by Step Solution
- Step 1: Write the proportion equation
288,726.84 : 433,177.74 = 130,912.92 : x - Step 2: Convert to fraction form
288,726.84/433,177.74 = 130,912.92/x - Step 3: Cross multiply
288,726.84x = 433,177.74 × 130,912.92 - Step 4: Simplify right side
288,726.84x = 56,708,562,822.40 - Step 5: Solve for x
x = 56,708,562,822.40/288,726.84 - Step 6: Final answer
x = 196,409.04
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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.