Finding the Fourth Proportional to 450,347.14, 621,473.51 and 246,395.52
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Solution
The fourth proportional to 450,347.14, 621,473.51 and 246,395.52 is: 340,022.79
Step by Step Solution
- Step 1: Write the proportion equation
450,347.14 : 621,473.51 = 246,395.52 : x - Step 2: Convert to fraction form
450,347.14/621,473.51 = 246,395.52/x - Step 3: Cross multiply
450,347.14x = 621,473.51 × 246,395.52 - Step 4: Simplify right side
450,347.14x = 153,128,289,278.66 - Step 5: Solve for x
x = 153,128,289,278.66/450,347.14 - Step 6: Final answer
x = 340,022.79
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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.