Finding the Fourth Proportional to 403,774.58, 604,885.68 and 225,741.68
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Solution
The fourth proportional to 403,774.58, 604,885.68 and 225,741.68 is: 338,178.57
Step by Step Solution
- Step 1: Write the proportion equation
403,774.58 : 604,885.68 = 225,741.68 : x - Step 2: Convert to fraction form
403,774.58/604,885.68 = 225,741.68/x - Step 3: Cross multiply
403,774.58x = 604,885.68 × 225,741.68 - Step 4: Simplify right side
403,774.58x = 136,547,909,611.14 - Step 5: Solve for x
x = 136,547,909,611.14/403,774.58 - Step 6: Final answer
x = 338,178.57
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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.