Finding the Fourth Proportional to 667,317.08, 1,000,975.62 and 168,681.08
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Solution
The fourth proportional to 667,317.08, 1,000,975.62 and 168,681.08 is: 253,021.62
Step by Step Solution
- Step 1: Write the proportion equation
667,317.08 : 1,000,975.62 = 168,681.08 : x - Step 2: Convert to fraction form
667,317.08/1,000,975.62 = 168,681.08/x - Step 3: Cross multiply
667,317.08x = 1,000,975.62 × 168,681.08 - Step 4: Simplify right side
667,317.08x = 168,845,648,635.27 - Step 5: Solve for x
x = 168,845,648,635.27/667,317.08 - Step 6: Final answer
x = 253,021.62
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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.