Finding the Fourth Proportional to 484,649.11, 668,783.55 and 269,783.65
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Solution
The fourth proportional to 484,649.11, 668,783.55 and 269,783.65 is: 372,283.50
Step by Step Solution
- Step 1: Write the proportion equation
484,649.11 : 668,783.55 = 269,783.65 : x - Step 2: Convert to fraction form
484,649.11/668,783.55 = 269,783.65/x - Step 3: Cross multiply
484,649.11x = 668,783.55 × 269,783.65 - Step 4: Simplify right side
484,649.11x = 180,426,867,178.96 - Step 5: Solve for x
x = 180,426,867,178.96/484,649.11 - Step 6: Final answer
x = 372,283.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.