Finding the Fourth Proportional to 470,692.64, 706,032.88 and 115,709.74
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Solution
The fourth proportional to 470,692.64, 706,032.88 and 115,709.74 is: 173,563.12
Step by Step Solution
- Step 1: Write the proportion equation
470,692.64 : 706,032.88 = 115,709.74 : x - Step 2: Convert to fraction form
470,692.64/706,032.88 = 115,709.74/x - Step 3: Cross multiply
470,692.64x = 706,032.88 × 115,709.74 - Step 4: Simplify right side
470,692.64x = 81,694,880,976.25 - Step 5: Solve for x
x = 81,694,880,976.25/470,692.64 - Step 6: Final answer
x = 173,563.12
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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.