Finding the Fourth Proportional to 575,699.15, 863,122.23 and 275,894.25
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Solution
The fourth proportional to 575,699.15, 863,122.23 and 275,894.25 is: 413,636.99
Step by Step Solution
- Step 1: Write the proportion equation
575,699.15 : 863,122.23 = 275,894.25 : x - Step 2: Convert to fraction form
575,699.15/863,122.23 = 275,894.25/x - Step 3: Cross multiply
575,699.15x = 863,122.23 × 275,894.25 - Step 4: Simplify right side
575,699.15x = 238,130,460,304.18 - Step 5: Solve for x
x = 238,130,460,304.18/575,699.15 - Step 6: Final answer
x = 413,636.99
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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.