Finding the Fourth Proportional to 316,820.43, 475,237.94 and 106,460.19
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Solution
The fourth proportional to 316,820.43, 475,237.94 and 106,460.19 is: 159,692.73
Step by Step Solution
- Step 1: Write the proportion equation
316,820.43 : 475,237.94 = 106,460.19 : x - Step 2: Convert to fraction form
316,820.43/475,237.94 = 106,460.19/x - Step 3: Cross multiply
316,820.43x = 475,237.94 × 106,460.19 - Step 4: Simplify right side
316,820.43x = 50,593,920,855.31 - Step 5: Solve for x
x = 50,593,920,855.31/316,820.43 - Step 6: Final answer
x = 159,692.73
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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.