Finding the Fourth Proportional to 450,690.75, 621,953.24 and 249,486.75
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Solution
The fourth proportional to 450,690.75, 621,953.24 and 249,486.75 is: 344,291.72
Step by Step Solution
- Step 1: Write the proportion equation
450,690.75 : 621,953.24 = 249,486.75 : x - Step 2: Convert to fraction form
450,690.75/621,953.24 = 249,486.75/x - Step 3: Cross multiply
450,690.75x = 621,953.24 × 249,486.75 - Step 4: Simplify right side
450,690.75x = 155,169,091,252.14 - Step 5: Solve for x
x = 155,169,091,252.14/450,690.75 - Step 6: Final answer
x = 344,291.72
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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.