Finding the Fourth Proportional to 447,377.88, 617,407.02 and 256,423.08
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Solution
The fourth proportional to 447,377.88, 617,407.02 and 256,423.08 is: 353,878.49
Step by Step Solution
- Step 1: Write the proportion equation
447,377.88 : 617,407.02 = 256,423.08 : x - Step 2: Convert to fraction form
447,377.88/617,407.02 = 256,423.08/x - Step 3: Cross multiply
447,377.88x = 617,407.02 × 256,423.08 - Step 4: Simplify right side
447,377.88x = 158,317,409,682.02 - Step 5: Solve for x
x = 158,317,409,682.02/447,377.88 - Step 6: Final answer
x = 353,878.49
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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.