Finding the Fourth Proportional to 450,696.24, 621,968.16 and 246,743.75
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Solution
The fourth proportional to 450,696.24, 621,968.16 and 246,743.75 is: 340,510.39
Step by Step Solution
- Step 1: Write the proportion equation
450,696.24 : 621,968.16 = 246,743.75 : x - Step 2: Convert to fraction form
450,696.24/621,968.16 = 246,743.75/x - Step 3: Cross multiply
450,696.24x = 621,968.16 × 246,743.75 - Step 4: Simplify right side
450,696.24x = 153,466,753,069.16 - Step 5: Solve for x
x = 153,466,753,069.16/450,696.24 - Step 6: Final answer
x = 340,510.39
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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.