Finding the Fourth Proportional to 315,523.13, 473,284.70 and 93,907.13
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Solution
The fourth proportional to 315,523.13, 473,284.70 and 93,907.13 is: 140,860.70
Step by Step Solution
- Step 1: Write the proportion equation
315,523.13 : 473,284.70 = 93,907.13 : x - Step 2: Convert to fraction form
315,523.13/473,284.70 = 93,907.13/x - Step 3: Cross multiply
315,523.13x = 473,284.70 × 93,907.13 - Step 4: Simplify right side
315,523.13x = 44,444,807,849.91 - Step 5: Solve for x
x = 44,444,807,849.91/315,523.13 - Step 6: Final answer
x = 140,860.70
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1.5x scale
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.