Finding the Fourth Proportional to 282,605.60, 423,778.80 and 124,752.80
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Solution
The fourth proportional to 282,605.60, 423,778.80 and 124,752.80 is: 187,071.99
Step by Step Solution
- Step 1: Write the proportion equation
282,605.60 : 423,778.80 = 124,752.80 : x - Step 2: Convert to fraction form
282,605.60/423,778.80 = 124,752.80/x - Step 3: Cross multiply
282,605.60x = 423,778.80 × 124,752.80 - Step 4: Simplify right side
282,605.60x = 52,867,591,880.64 - Step 5: Solve for x
x = 52,867,591,880.64/282,605.60 - Step 6: Final answer
x = 187,071.99
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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.