Finding the Fourth Proportional to 470,645.14, 706,257.45 and 186,287.28
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Solution
The fourth proportional to 470,645.14, 706,257.45 and 186,287.28 is: 279,545.60
Step by Step Solution
- Step 1: Write the proportion equation
470,645.14 : 706,257.45 = 186,287.28 : x - Step 2: Convert to fraction form
470,645.14/706,257.45 = 186,287.28/x - Step 3: Cross multiply
470,645.14x = 706,257.45 × 186,287.28 - Step 4: Simplify right side
470,645.14x = 131,566,779,340.24 - Step 5: Solve for x
x = 131,566,779,340.24/470,645.14 - Step 6: Final answer
x = 279,545.60
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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.