Finding the Fourth Proportional to 405,610.07, 607,528.35 and 205,587.05
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Solution
The fourth proportional to 405,610.07, 607,528.35 and 205,587.05 is: 307,931.11
Step by Step Solution
- Step 1: Write the proportion equation
405,610.07 : 607,528.35 = 205,587.05 : x - Step 2: Convert to fraction form
405,610.07/607,528.35 = 205,587.05/x - Step 3: Cross multiply
405,610.07x = 607,528.35 × 205,587.05 - Step 4: Simplify right side
405,610.07x = 124,899,958,230.23 - Step 5: Solve for x
x = 124,899,958,230.23/405,610.07 - Step 6: Final answer
x = 307,931.11
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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.