Finding the Fourth Proportional to 343,047.80, 473,406.18 and 187,998.42
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Solution
The fourth proportional to 343,047.80, 473,406.18 and 187,998.42 is: 259,437.94
Step by Step Solution
- Step 1: Write the proportion equation
343,047.80 : 473,406.18 = 187,998.42 : x - Step 2: Convert to fraction form
343,047.80/473,406.18 = 187,998.42/x - Step 3: Cross multiply
343,047.80x = 473,406.18 × 187,998.42 - Step 4: Simplify right side
343,047.80x = 88,999,613,858.24 - Step 5: Solve for x
x = 88,999,613,858.24/343,047.80 - Step 6: Final answer
x = 259,437.94
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1.5x scale
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.