Finding the Fourth Proportional to 479,270.53, 718,905.84 and 163,730.17
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Solution
The fourth proportional to 479,270.53, 718,905.84 and 163,730.17 is: 245,595.27
Step by Step Solution
- Step 1: Write the proportion equation
479,270.53 : 718,905.84 = 163,730.17 : x - Step 2: Convert to fraction form
479,270.53/718,905.84 = 163,730.17/x - Step 3: Cross multiply
479,270.53x = 718,905.84 × 163,730.17 - Step 4: Simplify right side
479,270.53x = 117,706,575,397.19 - Step 5: Solve for x
x = 117,706,575,397.19/479,270.53 - Step 6: Final answer
x = 245,595.27
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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.