Finding the Fourth Proportional to 317,370.20, 437,970.84 and 181,407.05
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Solution
The fourth proportional to 317,370.20, 437,970.84 and 181,407.05 is: 250,341.71
Step by Step Solution
- Step 1: Write the proportion equation
317,370.20 : 437,970.84 = 181,407.05 : x - Step 2: Convert to fraction form
317,370.20/437,970.84 = 181,407.05/x - Step 3: Cross multiply
317,370.20x = 437,970.84 × 181,407.05 - Step 4: Simplify right side
317,370.20x = 79,450,998,070.42 - Step 5: Solve for x
x = 79,450,998,070.42/317,370.20 - Step 6: Final answer
x = 250,341.71
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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.