Finding the Fourth Proportional to 621,295.48, 931,051.14 and 266,213.08
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Solution
The fourth proportional to 621,295.48, 931,051.14 and 266,213.08 is: 398,937.38
Step by Step Solution
- Step 1: Write the proportion equation
621,295.48 : 931,051.14 = 266,213.08 : x - Step 2: Convert to fraction form
621,295.48/931,051.14 = 266,213.08/x - Step 3: Cross multiply
621,295.48x = 931,051.14 × 266,213.08 - Step 4: Simplify right side
621,295.48x = 247,857,991,616.91 - Step 5: Solve for x
x = 247,857,991,616.91/621,295.48 - Step 6: Final answer
x = 398,937.38
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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.