Finding the Fourth Proportional to 313,482.18, 470,160.36 and 153,489.15
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Solution
The fourth proportional to 313,482.18, 470,160.36 and 153,489.15 is: 230,202.92
Step by Step Solution
- Step 1: Write the proportion equation
313,482.18 : 470,160.36 = 153,489.15 : x - Step 2: Convert to fraction form
313,482.18/470,160.36 = 153,489.15/x - Step 3: Cross multiply
313,482.18x = 470,160.36 × 153,489.15 - Step 4: Simplify right side
313,482.18x = 72,164,514,020.09 - Step 5: Solve for x
x = 72,164,514,020.09/313,482.18 - Step 6: Final answer
x = 230,202.92
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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.