Finding the Fourth Proportional to 177,490.49, 266,364.20 and 69,435.80
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Solution
The fourth proportional to 177,490.49, 266,364.20 and 69,435.80 is: 104,203.96
Step by Step Solution
- Step 1: Write the proportion equation
177,490.49 : 266,364.20 = 69,435.80 : x - Step 2: Convert to fraction form
177,490.49/266,364.20 = 69,435.80/x - Step 3: Cross multiply
177,490.49x = 266,364.20 × 69,435.80 - Step 4: Simplify right side
177,490.49x = 18,495,211,318.36 - Step 5: Solve for x
x = 18,495,211,318.36/177,490.49 - Step 6: Final answer
x = 104,203.96
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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.