Finding the Fourth Proportional to 409,409.41, 564,977.46 and 228,117.44
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Solution
The fourth proportional to 409,409.41, 564,977.46 and 228,117.44 is: 314,797.87
Step by Step Solution
- Step 1: Write the proportion equation
409,409.41 : 564,977.46 = 228,117.44 : x - Step 2: Convert to fraction form
409,409.41/564,977.46 = 228,117.44/x - Step 3: Cross multiply
409,409.41x = 564,977.46 × 228,117.44 - Step 4: Simplify right side
409,409.41x = 128,881,210,587.05 - Step 5: Solve for x
x = 128,881,210,587.05/409,409.41 - Step 6: Final answer
x = 314,797.87
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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.