Finding the Fourth Proportional to 493,354.17, 739,901.66 and 212,809.05
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Solution
The fourth proportional to 493,354.17, 739,901.66 and 212,809.05 is: 319,157.67
Step by Step Solution
- Step 1: Write the proportion equation
493,354.17 : 739,901.66 = 212,809.05 : x - Step 2: Convert to fraction form
493,354.17/739,901.66 = 212,809.05/x - Step 3: Cross multiply
493,354.17x = 739,901.66 × 212,809.05 - Step 4: Simplify right side
493,354.17x = 157,457,768,293.98 - Step 5: Solve for x
x = 157,457,768,293.98/493,354.17 - Step 6: Final answer
x = 319,157.67
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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.