Finding the Fourth Proportional to 438,299.96, 657,487.42 and 153,965.66
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Solution
The fourth proportional to 438,299.96, 657,487.42 and 153,965.66 is: 230,961.66
Step by Step Solution
- Step 1: Write the proportion equation
438,299.96 : 657,487.42 = 153,965.66 : x - Step 2: Convert to fraction form
438,299.96/657,487.42 = 153,965.66/x - Step 3: Cross multiply
438,299.96x = 657,487.42 × 153,965.66 - Step 4: Simplify right side
438,299.96x = 101,230,484,562.00 - Step 5: Solve for x
x = 101,230,484,562.00/438,299.96 - Step 6: Final answer
x = 230,961.66
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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.