Finding the Fourth Proportional to 454,564.96, 681,847.08 and 122,140.96
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Solution
The fourth proportional to 454,564.96, 681,847.08 and 122,140.96 is: 183,211.34
Step by Step Solution
- Step 1: Write the proportion equation
454,564.96 : 681,847.08 = 122,140.96 : x - Step 2: Convert to fraction form
454,564.96/681,847.08 = 122,140.96/x - Step 3: Cross multiply
454,564.96x = 681,847.08 × 122,140.96 - Step 4: Simplify right side
454,564.96x = 83,281,456,924.40 - Step 5: Solve for x
x = 83,281,456,924.40/454,564.96 - Step 6: Final answer
x = 183,211.34
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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.