Finding the Fourth Proportional to 368,774.34, 508,877.58 and 225,506.70
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Solution
The fourth proportional to 368,774.34, 508,877.58 and 225,506.70 is: 311,180.28
Step by Step Solution
- Step 1: Write the proportion equation
368,774.34 : 508,877.58 = 225,506.70 : x - Step 2: Convert to fraction form
368,774.34/508,877.58 = 225,506.70/x - Step 3: Cross multiply
368,774.34x = 508,877.58 × 225,506.70 - Step 4: Simplify right side
368,774.34x = 114,755,303,769.79 - Step 5: Solve for x
x = 114,755,303,769.79/368,774.34 - Step 6: Final answer
x = 311,180.28
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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.