Finding the Fourth Proportional to 418,862.08, 628,385.28 and 197,493.76
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Solution
The fourth proportional to 418,862.08, 628,385.28 and 197,493.76 is: 296,284.09
Step by Step Solution
- Step 1: Write the proportion equation
418,862.08 : 628,385.28 = 197,493.76 : x - Step 2: Convert to fraction form
418,862.08/628,385.28 = 197,493.76/x - Step 3: Cross multiply
418,862.08x = 628,385.28 × 197,493.76 - Step 4: Simplify right side
418,862.08x = 124,102,171,675.85 - Step 5: Solve for x
x = 124,102,171,675.85/418,862.08 - Step 6: Final answer
x = 296,284.09
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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.