Finding the Fourth Proportional to 405,880.97, 608,641.48 and 216,306.00
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Solution
The fourth proportional to 405,880.97, 608,641.48 and 216,306.00 is: 324,363.09
Step by Step Solution
- Step 1: Write the proportion equation
405,880.97 : 608,641.48 = 216,306.00 : x - Step 2: Convert to fraction form
405,880.97/608,641.48 = 216,306.00/x - Step 3: Cross multiply
405,880.97x = 608,641.48 × 216,306.00 - Step 4: Simplify right side
405,880.97x = 131,652,803,083.18 - Step 5: Solve for x
x = 131,652,803,083.18/405,880.97 - Step 6: Final answer
x = 324,363.09
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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.