Finding the Fourth Proportional to 346,117.96, 477,542.10 and 217,163.08
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Solution
The fourth proportional to 346,117.96, 477,542.10 and 217,163.08 is: 299,621.88
Step by Step Solution
- Step 1: Write the proportion equation
346,117.96 : 477,542.10 = 217,163.08 : x - Step 2: Convert to fraction form
346,117.96/477,542.10 = 217,163.08/x - Step 3: Cross multiply
346,117.96x = 477,542.10 × 217,163.08 - Step 4: Simplify right side
346,117.96x = 103,704,513,265.67 - Step 5: Solve for x
x = 103,704,513,265.67/346,117.96 - Step 6: Final answer
x = 299,621.88
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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.