Finding the Fourth Proportional to 490,270.95, 735,448.82 and 135,284.99
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Solution
The fourth proportional to 490,270.95, 735,448.82 and 135,284.99 is: 202,939.17
Step by Step Solution
- Step 1: Write the proportion equation
490,270.95 : 735,448.82 = 135,284.99 : x - Step 2: Convert to fraction form
490,270.95/735,448.82 = 135,284.99/x - Step 3: Cross multiply
490,270.95x = 735,448.82 × 135,284.99 - Step 4: Simplify right side
490,270.95x = 99,495,181,905.54 - Step 5: Solve for x
x = 99,495,181,905.54/490,270.95 - Step 6: Final answer
x = 202,939.17
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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.