Finding the Fourth Proportional to 356,968.20, 535,280.04 and 207,246.18
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Solution
The fourth proportional to 356,968.20, 535,280.04 and 207,246.18 is: 310,769.26
Step by Step Solution
- Step 1: Write the proportion equation
356,968.20 : 535,280.04 = 207,246.18 : x - Step 2: Convert to fraction form
356,968.20/535,280.04 = 207,246.18/x - Step 3: Cross multiply
356,968.20x = 535,280.04 × 207,246.18 - Step 4: Simplify right side
356,968.20x = 110,934,743,520.25 - Step 5: Solve for x
x = 110,934,743,520.25/356,968.20 - Step 6: Final answer
x = 310,769.26
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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.