Finding the Fourth Proportional to 368,060.22, 507,888.09 and 215,134.26
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Solution
The fourth proportional to 368,060.22, 507,888.09 and 215,134.26 is: 296,864.81
Step by Step Solution
- Step 1: Write the proportion equation
368,060.22 : 507,888.09 = 215,134.26 : x - Step 2: Convert to fraction form
368,060.22/507,888.09 = 215,134.26/x - Step 3: Cross multiply
368,060.22x = 507,888.09 × 215,134.26 - Step 4: Simplify right side
368,060.22x = 109,264,128,404.96 - Step 5: Solve for x
x = 109,264,128,404.96/368,060.22 - Step 6: Final answer
x = 296,864.81
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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.