Finding the Fourth Proportional to 575,326.80, 862,988.99 and 154,602.68
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Solution
The fourth proportional to 575,326.80, 862,988.99 and 154,602.68 is: 231,903.69
Step by Step Solution
- Step 1: Write the proportion equation
575,326.80 : 862,988.99 = 154,602.68 : x - Step 2: Convert to fraction form
575,326.80/862,988.99 = 154,602.68/x - Step 3: Cross multiply
575,326.80x = 862,988.99 × 154,602.68 - Step 4: Simplify right side
575,326.80x = 133,420,405,576.54 - Step 5: Solve for x
x = 133,420,405,576.54/575,326.80 - Step 6: Final answer
x = 231,903.69
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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.