Finding the Fourth Proportional to 398,113.38, 597,271.19 and 117,630.63
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Solution
The fourth proportional to 398,113.38, 597,271.19 and 117,630.63 is: 176,475.82
Step by Step Solution
- Step 1: Write the proportion equation
398,113.38 : 597,271.19 = 117,630.63 : x - Step 2: Convert to fraction form
398,113.38/597,271.19 = 117,630.63/x - Step 3: Cross multiply
398,113.38x = 597,271.19 × 117,630.63 - Step 4: Simplify right side
398,113.38x = 70,257,385,772.40 - Step 5: Solve for x
x = 70,257,385,772.40/398,113.38 - Step 6: Final answer
x = 176,475.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.