Finding the Fourth Proportional to 314,539.08, 471,415.16 and 247,715.30
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Solution
The fourth proportional to 314,539.08, 471,415.16 and 247,715.30 is: 371,263.08
Step by Step Solution
- Step 1: Write the proportion equation
314,539.08 : 471,415.16 = 247,715.30 : x - Step 2: Convert to fraction form
314,539.08/471,415.16 = 247,715.30/x - Step 3: Cross multiply
314,539.08x = 471,415.16 × 247,715.30 - Step 4: Simplify right side
314,539.08x = 116,776,747,783.95 - Step 5: Solve for x
x = 116,776,747,783.95/314,539.08 - Step 6: Final answer
x = 371,263.08
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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.