Finding the Fourth Proportional to 462,070.94, 693,172.08 and 142,249.49
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Solution
The fourth proportional to 462,070.94, 693,172.08 and 142,249.49 is: 213,394.45
Step by Step Solution
- Step 1: Write the proportion equation
462,070.94 : 693,172.08 = 142,249.49 : x - Step 2: Convert to fraction form
462,070.94/693,172.08 = 142,249.49/x - Step 3: Cross multiply
462,070.94x = 693,172.08 × 142,249.49 - Step 4: Simplify right side
462,070.94x = 98,603,374,862.24 - Step 5: Solve for x
x = 98,603,374,862.24/462,070.94 - Step 6: Final answer
x = 213,394.45
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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.