Finding the Fourth Proportional to 408,280.08, 563,445.20 and 227,010.58
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Solution
The fourth proportional to 408,280.08, 563,445.20 and 227,010.58 is: 313,284.99
Step by Step Solution
- Step 1: Write the proportion equation
408,280.08 : 563,445.20 = 227,010.58 : x - Step 2: Convert to fraction form
408,280.08/563,445.20 = 227,010.58/x - Step 3: Cross multiply
408,280.08x = 563,445.20 × 227,010.58 - Step 4: Simplify right side
408,280.08x = 127,908,021,650.22 - Step 5: Solve for x
x = 127,908,021,650.22/408,280.08 - Step 6: Final answer
x = 313,284.99
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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.