Finding the Fourth Proportional to 320,345.01, 480,511.44 and 95,706.09
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Solution
The fourth proportional to 320,345.01, 480,511.44 and 95,706.09 is: 143,557.32
Step by Step Solution
- Step 1: Write the proportion equation
320,345.01 : 480,511.44 = 95,706.09 : x - Step 2: Convert to fraction form
320,345.01/480,511.44 = 95,706.09/x - Step 3: Cross multiply
320,345.01x = 480,511.44 × 95,706.09 - Step 4: Simplify right side
320,345.01x = 45,987,871,122.67 - Step 5: Solve for x
x = 45,987,871,122.67/320,345.01 - Step 6: Final answer
x = 143,557.32
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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.