Finding the Fourth Proportional to 288,880.70, 433,472.14 and 118,229.09
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Solution
The fourth proportional to 288,880.70, 433,472.14 and 118,229.09 is: 177,405.46
Step by Step Solution
- Step 1: Write the proportion equation
288,880.70 : 433,472.14 = 118,229.09 : x - Step 2: Convert to fraction form
288,880.70/433,472.14 = 118,229.09/x - Step 3: Cross multiply
288,880.70x = 433,472.14 × 118,229.09 - Step 4: Simplify right side
288,880.70x = 51,249,013,967.94 - Step 5: Solve for x
x = 51,249,013,967.94/288,880.70 - Step 6: Final answer
x = 177,405.46
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1.5x scale
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.