Finding the Fourth Proportional to 409,617.08, 565,263.47 and 228,318.19
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Solution
The fourth proportional to 409,617.08, 565,263.47 and 228,318.19 is: 315,074.59
Step by Step Solution
- Step 1: Write the proportion equation
409,617.08 : 565,263.47 = 228,318.19 : x - Step 2: Convert to fraction form
409,617.08/565,263.47 = 228,318.19/x - Step 3: Cross multiply
409,617.08x = 565,263.47 × 228,318.19 - Step 4: Simplify right side
409,617.08x = 129,059,932,343.52 - Step 5: Solve for x
x = 129,059,932,343.52/409,617.08 - Step 6: Final answer
x = 315,074.59
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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.