Finding the Fourth Proportional to 306,973.64, 423,511.26 and 186,027.68
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Solution
The fourth proportional to 306,973.64, 423,511.26 and 186,027.68 is: 256,650.11
Step by Step Solution
- Step 1: Write the proportion equation
306,973.64 : 423,511.26 = 186,027.68 : x - Step 2: Convert to fraction form
306,973.64/423,511.26 = 186,027.68/x - Step 3: Cross multiply
306,973.64x = 423,511.26 × 186,027.68 - Step 4: Simplify right side
306,973.64x = 78,784,817,151.68 - Step 5: Solve for x
x = 78,784,817,151.68/306,973.64 - Step 6: Final answer
x = 256,650.11
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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.