Finding the Fourth Proportional to 342,395.04, 472,519.26 and 189,430.80
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Solution
The fourth proportional to 342,395.04, 472,519.26 and 189,430.80 is: 261,422.31
Step by Step Solution
- Step 1: Write the proportion equation
342,395.04 : 472,519.26 = 189,430.80 : x - Step 2: Convert to fraction form
342,395.04/472,519.26 = 189,430.80/x - Step 3: Cross multiply
342,395.04x = 472,519.26 × 189,430.80 - Step 4: Simplify right side
342,395.04x = 89,509,701,437.21 - Step 5: Solve for x
x = 89,509,701,437.21/342,395.04 - Step 6: Final answer
x = 261,422.31
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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.