Finding the Fourth Proportional to 306,840.98, 460,291.21 and 104,579.71
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Solution
The fourth proportional to 306,840.98, 460,291.21 and 104,579.71 is: 156,879.70
Step by Step Solution
- Step 1: Write the proportion equation
306,840.98 : 460,291.21 = 104,579.71 : x - Step 2: Convert to fraction form
306,840.98/460,291.21 = 104,579.71/x - Step 3: Cross multiply
306,840.98x = 460,291.21 × 104,579.71 - Step 4: Simplify right side
306,840.98x = 48,137,119,845.17 - Step 5: Solve for x
x = 48,137,119,845.17/306,840.98 - Step 6: Final answer
x = 156,879.70
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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.