Finding the Fourth Proportional to 845,069.25, 1,267,650.05 and 213,988.53
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Solution
The fourth proportional to 845,069.25, 1,267,650.05 and 213,988.53 is: 320,994.49
Step by Step Solution
- Step 1: Write the proportion equation
845,069.25 : 1,267,650.05 = 213,988.53 : x - Step 2: Convert to fraction form
845,069.25/1,267,650.05 = 213,988.53/x - Step 3: Cross multiply
845,069.25x = 1,267,650.05 × 213,988.53 - Step 4: Simplify right side
845,069.25x = 271,262,575,641.36 - Step 5: Solve for x
x = 271,262,575,641.36/845,069.25 - Step 6: Final answer
x = 320,994.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.