Finding the Fourth Proportional to 403,143.41, 604,808.64 and 136,904.18
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Solution
The fourth proportional to 403,143.41, 604,808.64 and 136,904.18 is: 205,388.02
Step by Step Solution
- Step 1: Write the proportion equation
403,143.41 : 604,808.64 = 136,904.18 : x - Step 2: Convert to fraction form
403,143.41/604,808.64 = 136,904.18/x - Step 3: Cross multiply
403,143.41x = 604,808.64 × 136,904.18 - Step 4: Simplify right side
403,143.41x = 82,800,827,892.07 - Step 5: Solve for x
x = 82,800,827,892.07/403,143.41 - Step 6: Final answer
x = 205,388.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.