Finding the Fourth Proportional to 450,659.69, 621,911.74 and 246,712.37
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Solution
The fourth proportional to 450,659.69, 621,911.74 and 246,712.37 is: 340,463.82
Step by Step Solution
- Step 1: Write the proportion equation
450,659.69 : 621,911.74 = 246,712.37 : x - Step 2: Convert to fraction form
450,659.69/621,911.74 = 246,712.37/x - Step 3: Cross multiply
450,659.69x = 621,911.74 × 246,712.37 - Step 4: Simplify right side
450,659.69x = 153,433,319,306.22 - Step 5: Solve for x
x = 153,433,319,306.22/450,659.69 - Step 6: Final answer
x = 340,463.82
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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.