Finding the Fourth Proportional to 314,482.79, 433,991.44 and 171,245.63
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Solution
The fourth proportional to 314,482.79, 433,991.44 and 171,245.63 is: 236,321.80
Step by Step Solution
- Step 1: Write the proportion equation
314,482.79 : 433,991.44 = 171,245.63 : x - Step 2: Convert to fraction form
314,482.79/433,991.44 = 171,245.63/x - Step 3: Cross multiply
314,482.79x = 433,991.44 × 171,245.63 - Step 4: Simplify right side
314,482.79x = 74,319,139,184.88 - Step 5: Solve for x
x = 74,319,139,184.88/314,482.79 - Step 6: Final answer
x = 236,321.80
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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.