Finding the Fourth Proportional to 447,316.20, 617,289.79 and 243,368.93
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Solution
The fourth proportional to 447,316.20, 617,289.79 and 243,368.93 is: 335,845.55
Step by Step Solution
- Step 1: Write the proportion equation
447,316.20 : 617,289.79 = 243,368.93 : x - Step 2: Convert to fraction form
447,316.20/617,289.79 = 243,368.93/x - Step 3: Cross multiply
447,316.20x = 617,289.79 × 243,368.93 - Step 4: Simplify right side
447,316.20x = 150,229,155,692.23 - Step 5: Solve for x
x = 150,229,155,692.23/447,316.20 - Step 6: Final answer
x = 335,845.55
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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.