Finding the Fourth Proportional to 634,154.08, 875,133.80 and 343,764.75
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Solution
The fourth proportional to 634,154.08, 875,133.80 and 343,764.75 is: 474,395.99
Step by Step Solution
- Step 1: Write the proportion equation
634,154.08 : 875,133.80 = 343,764.75 : x - Step 2: Convert to fraction form
634,154.08/875,133.80 = 343,764.75/x - Step 3: Cross multiply
634,154.08x = 875,133.80 × 343,764.75 - Step 4: Simplify right side
634,154.08x = 300,840,151,973.55 - Step 5: Solve for x
x = 300,840,151,973.55/634,154.08 - Step 6: Final answer
x = 474,395.99
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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.