Finding the Fourth Proportional to 148,435.84, 222,645.12 and 48,661.12
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Solution
The fourth proportional to 148,435.84, 222,645.12 and 48,661.12 is: 72,988.85
Step by Step Solution
- Step 1: Write the proportion equation
148,435.84 : 222,645.12 = 48,661.12 : x - Step 2: Convert to fraction form
148,435.84/222,645.12 = 48,661.12/x - Step 3: Cross multiply
148,435.84x = 222,645.12 × 48,661.12 - Step 4: Simplify right side
148,435.84x = 10,834,160,901.73 - Step 5: Solve for x
x = 10,834,160,901.73/148,435.84 - Step 6: Final answer
x = 72,988.85
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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.