Finding the Fourth Proportional to 450,349.40, 621,476.62 and 246,397.77
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Solution
The fourth proportional to 450,349.40, 621,476.62 and 246,397.77 is: 340,025.88
Step by Step Solution
- Step 1: Write the proportion equation
450,349.40 : 621,476.62 = 246,397.77 : x - Step 2: Convert to fraction form
450,349.40/621,476.62 = 246,397.77/x - Step 3: Cross multiply
450,349.40x = 621,476.62 × 246,397.77 - Step 4: Simplify right side
450,349.40x = 153,130,452,659.14 - Step 5: Solve for x
x = 153,130,452,659.14/450,349.40 - Step 6: Final answer
x = 340,025.88
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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.