Finding the Fourth Proportional to 377,344.92, 520,309.26 and 291,109.08
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Solution
The fourth proportional to 377,344.92, 520,309.26 and 291,109.08 is: 401,401.32
Step by Step Solution
- Step 1: Write the proportion equation
377,344.92 : 520,309.26 = 291,109.08 : x - Step 2: Convert to fraction form
377,344.92/520,309.26 = 291,109.08/x - Step 3: Cross multiply
377,344.92x = 520,309.26 × 291,109.08 - Step 4: Simplify right side
377,344.92x = 151,466,749,994.08 - Step 5: Solve for x
x = 151,466,749,994.08/377,344.92 - Step 6: Final answer
x = 401,401.32
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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.