Finding the Fourth Proportional to 429,884.44, 643,837.98 and 249,523.18
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Solution
The fourth proportional to 429,884.44, 643,837.98 and 249,523.18 is: 373,710.90
Step by Step Solution
- Step 1: Write the proportion equation
429,884.44 : 643,837.98 = 249,523.18 : x - Step 2: Convert to fraction form
429,884.44/643,837.98 = 249,523.18/x - Step 3: Cross multiply
429,884.44x = 643,837.98 × 249,523.18 - Step 4: Simplify right side
429,884.44x = 160,652,500,174.38 - Step 5: Solve for x
x = 160,652,500,174.38/429,884.44 - Step 6: Final answer
x = 373,710.90
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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.