Finding the Fourth Proportional to 406,769.94, 561,363.12 and 234,623.88
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Solution
The fourth proportional to 406,769.94, 561,363.12 and 234,623.88 is: 323,792.84
Step by Step Solution
- Step 1: Write the proportion equation
406,769.94 : 561,363.12 = 234,623.88 : x - Step 2: Convert to fraction form
406,769.94/561,363.12 = 234,623.88/x - Step 3: Cross multiply
406,769.94x = 561,363.12 × 234,623.88 - Step 4: Simplify right side
406,769.94x = 131,709,193,303.31 - Step 5: Solve for x
x = 131,709,193,303.31/406,769.94 - Step 6: Final answer
x = 323,792.84
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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.