Finding the Fourth Proportional to 409,619.83, 565,267.26 and 228,320.95
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Solution
The fourth proportional to 409,619.83, 565,267.26 and 228,320.95 is: 315,078.39
Step by Step Solution
- Step 1: Write the proportion equation
409,619.83 : 565,267.26 = 228,320.95 : x - Step 2: Convert to fraction form
409,619.83/565,267.26 = 228,320.95/x - Step 3: Cross multiply
409,619.83x = 565,267.26 × 228,320.95 - Step 4: Simplify right side
409,619.83x = 129,062,357,807.10 - Step 5: Solve for x
x = 129,062,357,807.10/409,619.83 - Step 6: Final answer
x = 315,078.39
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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.