Finding the Fourth Proportional to 403,201.15, 556,417.65 and 219,440.41
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Solution
The fourth proportional to 403,201.15, 556,417.65 and 219,440.41 is: 302,827.80
Step by Step Solution
- Step 1: Write the proportion equation
403,201.15 : 556,417.65 = 219,440.41 : x - Step 2: Convert to fraction form
403,201.15/556,417.65 = 219,440.41/x - Step 3: Cross multiply
403,201.15x = 556,417.65 × 219,440.41 - Step 4: Simplify right side
403,201.15x = 122,100,517,247.24 - Step 5: Solve for x
x = 122,100,517,247.24/403,201.15 - Step 6: Final answer
x = 302,827.80
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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.