Finding the Fourth Proportional to 302,427.20, 453,640.80 and 207,948.80
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Solution
The fourth proportional to 302,427.20, 453,640.80 and 207,948.80 is: 311,923.20
Step by Step Solution
- Step 1: Write the proportion equation
302,427.20 : 453,640.80 = 207,948.80 : x - Step 2: Convert to fraction form
302,427.20/453,640.80 = 207,948.80/x - Step 3: Cross multiply
302,427.20x = 453,640.80 × 207,948.80 - Step 4: Simplify right side
302,427.20x = 94,334,059,991.04 - Step 5: Solve for x
x = 94,334,059,991.04/302,427.20 - Step 6: Final answer
x = 311,923.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.