Finding the Fourth Proportional to 403,163.04, 604,621.56 and 136,864.38
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Solution
The fourth proportional to 403,163.04, 604,621.56 and 136,864.38 is: 205,254.81
Step by Step Solution
- Step 1: Write the proportion equation
403,163.04 : 604,621.56 = 136,864.38 : x - Step 2: Convert to fraction form
403,163.04/604,621.56 = 136,864.38/x - Step 3: Cross multiply
403,163.04x = 604,621.56 × 136,864.38 - Step 4: Simplify right side
403,163.04x = 82,751,154,944.03 - Step 5: Solve for x
x = 82,751,154,944.03/403,163.04 - Step 6: Final answer
x = 205,254.81
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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.