Finding the Fourth Proportional to 409,492.65, 565,059.99 and 228,187.62
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Solution
The fourth proportional to 409,492.65, 565,059.99 and 228,187.62 is: 314,876.70
Step by Step Solution
- Step 1: Write the proportion equation
409,492.65 : 565,059.99 = 228,187.62 : x - Step 2: Convert to fraction form
409,492.65/565,059.99 = 228,187.62/x - Step 3: Cross multiply
409,492.65x = 565,059.99 × 228,187.62 - Step 4: Simplify right side
409,492.65x = 128,939,694,275.32 - Step 5: Solve for x
x = 128,939,694,275.32/409,492.65 - Step 6: Final answer
x = 314,876.70
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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.