Finding the Fourth Proportional to 310,048.56, 427,573.08 and 202,710.60
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Solution
The fourth proportional to 310,048.56, 427,573.08 and 202,710.60 is: 279,548.45
Step by Step Solution
- Step 1: Write the proportion equation
310,048.56 : 427,573.08 = 202,710.60 : x - Step 2: Convert to fraction form
310,048.56/427,573.08 = 202,710.60/x - Step 3: Cross multiply
310,048.56x = 427,573.08 × 202,710.60 - Step 4: Simplify right side
310,048.56x = 86,673,595,590.65 - Step 5: Solve for x
x = 86,673,595,590.65/310,048.56 - Step 6: Final answer
x = 279,548.45
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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.