Finding the Fourth Proportional to 315,525.13, 473,287.70 and 93,909.13
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Solution
The fourth proportional to 315,525.13, 473,287.70 and 93,909.13 is: 140,863.70
Step by Step Solution
- Step 1: Write the proportion equation
315,525.13 : 473,287.70 = 93,909.13 : x - Step 2: Convert to fraction form
315,525.13/473,287.70 = 93,909.13/x - Step 3: Cross multiply
315,525.13x = 473,287.70 × 93,909.13 - Step 4: Simplify right side
315,525.13x = 44,446,036,146.70 - Step 5: Solve for x
x = 44,446,036,146.70/315,525.13 - Step 6: Final answer
x = 140,863.70
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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.