Finding the Fourth Proportional to 343,322.99, 473,834.75 and 190,395.19
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Solution
The fourth proportional to 343,322.99, 473,834.75 and 190,395.19 is: 262,772.55
Step by Step Solution
- Step 1: Write the proportion equation
343,322.99 : 473,834.75 = 190,395.19 : x - Step 2: Convert to fraction form
343,322.99/473,834.75 = 190,395.19/x - Step 3: Cross multiply
343,322.99x = 473,834.75 × 190,395.19 - Step 4: Simplify right side
343,322.99x = 90,215,857,254.85 - Step 5: Solve for x
x = 90,215,857,254.85/343,322.99 - Step 6: Final answer
x = 262,772.55
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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.