Finding the Fourth Proportional to 314,677.12, 434,252.16 and 171,437.12
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Solution
The fourth proportional to 314,677.12, 434,252.16 and 171,437.12 is: 236,581.99
Step by Step Solution
- Step 1: Write the proportion equation
314,677.12 : 434,252.16 = 171,437.12 : x - Step 2: Convert to fraction form
314,677.12/434,252.16 = 171,437.12/x - Step 3: Cross multiply
314,677.12x = 434,252.16 × 171,437.12 - Step 4: Simplify right side
314,677.12x = 74,446,939,664.18 - Step 5: Solve for x
x = 74,446,939,664.18/314,677.12 - Step 6: Final answer
x = 236,581.99
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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.