Finding the Fourth Proportional to 471,315.40, 706,973.10 and 366,209.80
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Solution
The fourth proportional to 471,315.40, 706,973.10 and 366,209.80 is: 549,314.70
Step by Step Solution
- Step 1: Write the proportion equation
471,315.40 : 706,973.10 = 366,209.80 : x - Step 2: Convert to fraction form
471,315.40/706,973.10 = 366,209.80/x - Step 3: Cross multiply
471,315.40x = 706,973.10 × 366,209.80 - Step 4: Simplify right side
471,315.40x = 258,900,477,556.38 - Step 5: Solve for x
x = 258,900,477,556.38/471,315.40 - Step 6: Final answer
x = 549,314.70
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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.