Finding the Fourth Proportional to 314,829.10, 434,473.64 and 171,598.42
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Solution
The fourth proportional to 314,829.10, 434,473.64 and 171,598.42 is: 236,810.99
Step by Step Solution
- Step 1: Write the proportion equation
314,829.10 : 434,473.64 = 171,598.42 : x - Step 2: Convert to fraction form
314,829.10/434,473.64 = 171,598.42/x - Step 3: Cross multiply
314,829.10x = 434,473.64 × 171,598.42 - Step 4: Simplify right side
314,829.10x = 74,554,990,155.65 - Step 5: Solve for x
x = 74,554,990,155.65/314,829.10 - Step 6: Final answer
x = 236,810.99
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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.