Finding the Fourth Proportional to 313,359.15, 470,116.49 and 146,952.75
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Solution
The fourth proportional to 313,359.15, 470,116.49 and 146,952.75 is: 220,465.59
Step by Step Solution
- Step 1: Write the proportion equation
313,359.15 : 470,116.49 = 146,952.75 : x - Step 2: Convert to fraction form
313,359.15/470,116.49 = 146,952.75/x - Step 3: Cross multiply
313,359.15x = 470,116.49 × 146,952.75 - Step 4: Simplify right side
313,359.15x = 69,084,910,291.08 - Step 5: Solve for x
x = 69,084,910,291.08/313,359.15 - Step 6: Final answer
x = 220,465.59
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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.