Finding the Fourth Proportional to 246,430.64, 340,146.99 and 144,478.23
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Solution
The fourth proportional to 246,430.64, 340,146.99 and 144,478.23 is: 199,422.59
Step by Step Solution
- Step 1: Write the proportion equation
246,430.64 : 340,146.99 = 144,478.23 : x - Step 2: Convert to fraction form
246,430.64/340,146.99 = 144,478.23/x - Step 3: Cross multiply
246,430.64x = 340,146.99 × 144,478.23 - Step 4: Simplify right side
246,430.64x = 49,143,835,055.03 - Step 5: Solve for x
x = 49,143,835,055.03/246,430.64 - Step 6: Final answer
x = 199,422.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.