Finding the Fourth Proportional to 306,984.64, 423,526.44 and 186,038.68
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Solution
The fourth proportional to 306,984.64, 423,526.44 and 186,038.68 is: 256,665.28
Step by Step Solution
- Step 1: Write the proportion equation
306,984.64 : 423,526.44 = 186,038.68 : x - Step 2: Convert to fraction form
306,984.64/423,526.44 = 186,038.68/x - Step 3: Cross multiply
306,984.64x = 423,526.44 × 186,038.68 - Step 4: Simplify right side
306,984.64x = 78,792,299,842.70 - Step 5: Solve for x
x = 78,792,299,842.70/306,984.64 - Step 6: Final answer
x = 256,665.28
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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.