Finding the Fourth Proportional to 497,408.11, 745,558.12 and 197,808.55
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Solution
The fourth proportional to 497,408.11, 745,558.12 and 197,808.55 is: 296,492.49
Step by Step Solution
- Step 1: Write the proportion equation
497,408.11 : 745,558.12 = 197,808.55 : x - Step 2: Convert to fraction form
497,408.11/745,558.12 = 197,808.55/x - Step 3: Cross multiply
497,408.11x = 745,558.12 × 197,808.55 - Step 4: Simplify right side
497,408.11x = 147,477,770,657.93 - Step 5: Solve for x
x = 147,477,770,657.93/497,408.11 - Step 6: Final answer
x = 296,492.49
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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.