Finding the Fourth Proportional to 715,312.53, 1,072,966.14 and 182,832.75
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Solution
The fourth proportional to 715,312.53, 1,072,966.14 and 182,832.75 is: 274,248.45
Step by Step Solution
- Step 1: Write the proportion equation
715,312.53 : 1,072,966.14 = 182,832.75 : x - Step 2: Convert to fraction form
715,312.53/1,072,966.14 = 182,832.75/x - Step 3: Cross multiply
715,312.53x = 1,072,966.14 × 182,832.75 - Step 4: Simplify right side
715,312.53x = 196,173,350,033.09 - Step 5: Solve for x
x = 196,173,350,033.09/715,312.53 - Step 6: Final answer
x = 274,248.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.