Finding the Fourth Proportional to 450,309.98, 621,425.52 and 246,357.20
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Solution
The fourth proportional to 450,309.98, 621,425.52 and 246,357.20 is: 339,971.70
Step by Step Solution
- Step 1: Write the proportion equation
450,309.98 : 621,425.52 = 246,357.20 : x - Step 2: Convert to fraction form
450,309.98/621,425.52 = 246,357.20/x - Step 3: Cross multiply
450,309.98x = 621,425.52 × 246,357.20 - Step 4: Simplify right side
450,309.98x = 153,092,651,115.74 - Step 5: Solve for x
x = 153,092,651,115.74/450,309.98 - Step 6: Final answer
x = 339,971.70
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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.