Finding the Fourth Proportional to 429,652.60, 643,497.18 and 205,170.28
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Solution
The fourth proportional to 429,652.60, 643,497.18 and 205,170.28 is: 307,286.62
Step by Step Solution
- Step 1: Write the proportion equation
429,652.60 : 643,497.18 = 205,170.28 : x - Step 2: Convert to fraction form
429,652.60/643,497.18 = 205,170.28/x - Step 3: Cross multiply
429,652.60x = 643,497.18 × 205,170.28 - Step 4: Simplify right side
429,652.60x = 132,026,496,599.81 - Step 5: Solve for x
x = 132,026,496,599.81/429,652.60 - Step 6: Final answer
x = 307,286.62
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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.