Finding the Fourth Proportional to 315,355.80, 473,033.70 and 93,739.80
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Solution
The fourth proportional to 315,355.80, 473,033.70 and 93,739.80 is: 140,609.70
Step by Step Solution
- Step 1: Write the proportion equation
315,355.80 : 473,033.70 = 93,739.80 : x - Step 2: Convert to fraction form
315,355.80/473,033.70 = 93,739.80/x - Step 3: Cross multiply
315,355.80x = 473,033.70 × 93,739.80 - Step 4: Simplify right side
315,355.80x = 44,342,084,431.26 - Step 5: Solve for x
x = 44,342,084,431.26/315,355.80 - Step 6: Final answer
x = 140,609.70
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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.