Finding the Fourth Proportional to 454,563.98, 681,736.61 and 139,023.62
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Solution
The fourth proportional to 454,563.98, 681,736.61 and 139,023.62 is: 208,501.98
Step by Step Solution
- Step 1: Write the proportion equation
454,563.98 : 681,736.61 = 139,023.62 : x - Step 2: Convert to fraction form
454,563.98/681,736.61 = 139,023.62/x - Step 3: Cross multiply
454,563.98x = 681,736.61 × 139,023.62 - Step 4: Simplify right side
454,563.98x = 94,777,488,347.60 - Step 5: Solve for x
x = 94,777,488,347.60/454,563.98 - Step 6: Final answer
x = 208,501.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.