Finding the Fourth Proportional to 406,971.42, 561,656.07 and 237,201.90
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Solution
The fourth proportional to 406,971.42, 561,656.07 and 237,201.90 is: 327,359.32
Step by Step Solution
- Step 1: Write the proportion equation
406,971.42 : 561,656.07 = 237,201.90 : x - Step 2: Convert to fraction form
406,971.42/561,656.07 = 237,201.90/x - Step 3: Cross multiply
406,971.42x = 561,656.07 × 237,201.90 - Step 4: Simplify right side
406,971.42x = 133,225,886,950.53 - Step 5: Solve for x
x = 133,225,886,950.53/406,971.42 - Step 6: Final answer
x = 327,359.32
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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.