Finding the Fourth Proportional to 465,293.09, 697,988.16 and 128,333.80
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Solution
The fourth proportional to 465,293.09, 697,988.16 and 128,333.80 is: 192,514.08
Step by Step Solution
- Step 1: Write the proportion equation
465,293.09 : 697,988.16 = 128,333.80 : x - Step 2: Convert to fraction form
465,293.09/697,988.16 = 128,333.80/x - Step 3: Cross multiply
465,293.09x = 697,988.16 × 128,333.80 - Step 4: Simplify right side
465,293.09x = 89,575,468,796.20 - Step 5: Solve for x
x = 89,575,468,796.20/465,293.09 - Step 6: Final answer
x = 192,514.08
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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.