Finding the Fourth Proportional to 409,486.84, 565,092.36 and 228,194.78
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Solution
The fourth proportional to 409,486.84, 565,092.36 and 228,194.78 is: 314,909.09
Step by Step Solution
- Step 1: Write the proportion equation
409,486.84 : 565,092.36 = 228,194.78 : x - Step 2: Convert to fraction form
409,486.84/565,092.36 = 228,194.78/x - Step 3: Cross multiply
409,486.84x = 565,092.36 × 228,194.78 - Step 4: Simplify right side
409,486.84x = 128,951,126,769.88 - Step 5: Solve for x
x = 128,951,126,769.88/409,486.84 - Step 6: Final answer
x = 314,909.09
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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.