Finding the Fourth Proportional to 409,445.97, 565,020.27 and 228,148.53
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Solution
The fourth proportional to 409,445.97, 565,020.27 and 228,148.53 is: 314,836.52
Step by Step Solution
- Step 1: Write the proportion equation
409,445.97 : 565,020.27 = 228,148.53 : x - Step 2: Convert to fraction form
409,445.97/565,020.27 = 228,148.53/x - Step 3: Cross multiply
409,445.97x = 565,020.27 × 228,148.53 - Step 4: Simplify right side
409,445.97x = 128,908,544,020.70 - Step 5: Solve for x
x = 128,908,544,020.70/409,445.97 - Step 6: Final answer
x = 314,836.52
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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.