Finding the Fourth Proportional to 511,455.36, 705,862.08 and 307,572.96
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Solution
The fourth proportional to 511,455.36, 705,862.08 and 307,572.96 is: 424,482.97
Step by Step Solution
- Step 1: Write the proportion equation
511,455.36 : 705,862.08 = 307,572.96 : x - Step 2: Convert to fraction form
511,455.36/705,862.08 = 307,572.96/x - Step 3: Cross multiply
511,455.36x = 705,862.08 × 307,572.96 - Step 4: Simplify right side
511,455.36x = 217,104,089,297.36 - Step 5: Solve for x
x = 217,104,089,297.36/511,455.36 - Step 6: Final answer
x = 424,482.97
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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.