Finding the Fourth Proportional to 493,315.80, 739,973.70 and 177,731.70
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Solution
The fourth proportional to 493,315.80, 739,973.70 and 177,731.70 is: 266,597.55
Step by Step Solution
- Step 1: Write the proportion equation
493,315.80 : 739,973.70 = 177,731.70 : x - Step 2: Convert to fraction form
493,315.80/739,973.70 = 177,731.70/x - Step 3: Cross multiply
493,315.80x = 739,973.70 × 177,731.70 - Step 4: Simplify right side
493,315.80x = 131,516,783,656.29 - Step 5: Solve for x
x = 131,516,783,656.29/493,315.80 - Step 6: Final answer
x = 266,597.55
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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.