Finding the Fourth Proportional to 454,387.84, 681,885.12 and 158,899.84
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Solution
The fourth proportional to 454,387.84, 681,885.12 and 158,899.84 is: 238,455.85
Step by Step Solution
- Step 1: Write the proportion equation
454,387.84 : 681,885.12 = 158,899.84 : x - Step 2: Convert to fraction form
454,387.84/681,885.12 = 158,899.84/x - Step 3: Cross multiply
454,387.84x = 681,885.12 × 158,899.84 - Step 4: Simplify right side
454,387.84x = 108,351,436,466.38 - Step 5: Solve for x
x = 108,351,436,466.38/454,387.84 - Step 6: Final answer
x = 238,455.85
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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.