Finding the Fourth Proportional to 403,962.91, 556,713.63 and 301,808.14
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Solution
The fourth proportional to 403,962.91, 556,713.63 and 301,808.14 is: 415,931.02
Step by Step Solution
- Step 1: Write the proportion equation
403,962.91 : 556,713.63 = 301,808.14 : x - Step 2: Convert to fraction form
403,962.91/556,713.63 = 301,808.14/x - Step 3: Cross multiply
403,962.91x = 556,713.63 × 301,808.14 - Step 4: Simplify right side
403,962.91x = 168,020,703,791.16 - Step 5: Solve for x
x = 168,020,703,791.16/403,962.91 - Step 6: Final answer
x = 415,931.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.